Stephen Adamczyk has been a member of the National Space Society since 1990. He was born in 1970, “regrettably” missing the Apollo moon landings. However, he enjoys studying the history of the space program through all of the literature published since. From a young age he has liked flying and earned his pilots license after high school. Following college he became a full time FireFighter and has worked in that profession in Grand Rapids, MI, since 1992. He hopes that his second career will in some way be space related and possibly help reach the vision we all see of creating a spacefaring civilization. Non-fiction reviews: Dragonfly: NASA and the Crisis Aboard Mir.

Masse Bloomfield was born in Franklin, New Hampshire in 1923 and attended schools in Laconia, N. H. He was in World War II receiving the Distinguished Flying Cross and the Air Medal, retiring from the Air Force Reserves as a Lt. Colonel. He obtained a degree in bacteriology from the University of New Hampshire in 1948 and a master of library science from Carnegie Institute of Technology in 1951. After twenty-two years as head of the Hughes Aircraft Company Technical Library, he retired. While at Hughes Aircraft Company, he wrote numerous articles for library journals as well as book reviews. He has written several books including Man in Transition (1993) and The Automated Society (1995) [available via Amazon.com]. His biography has appeared in "Who's Who in the West" and "Contemporary Authors." His volunteer activities include acting as a liaison officer for the U. S. Air Force Academy. He is currently working to establish a chapter in the San Fernando Valley for the National Space Society. Non-fiction reviews: Distant Worlds, The High Frontier, The Living Cosmos, Science, Society and the Search for Life in the Universe, Too Far From Home, 2081. Fiction reviews: 2001: A Space Odyssey & 2010: The Year We Made Contact (DVD reviews), The Odyssey Series: 2001, 2010, 2061, and 3001.

David Brandt-Erichsen has been involved in the space movement since 1978. He is a former Secretary of NSS and served as an officer and Board member for over 10 years. He is currently a member of the NSS Volunteer Website Team and is webmaster of this book review section and of the NSS Library and the Space Settlement Nexus. He is also webmaster of naturalarches.org and would love to catalog any natural arches on Mars. Now retired, his vocational background is as a research technician in molecular genetics. Non-fiction reviews: Across the Space Frontier, Conquest of the Moon, The Exploration of Mars, Halfway to Anywhere, A Traveler's Guide to Mars, Where Is Everybody? Fifty Solutions to the Fermi Paradox.

Marianne Dyson is the Chairman of the Space Books Committee. She joined the L-5 Society (that became NSS) in 1977 while serving as a congressional intern in D.C. She founded the Clear Lake Area-Houston chapter of NSS, has served as an NSS director and officer and chaired the 1999 ISDC. Inspired by the space program and science fiction, Dyson earned a degree in physics and became one of NASA’s first ten women flight controllers. Dyson left NASA to raise her children, and shares her passion for space through writing and speaking. Her first book, Space Station Science (Scholastic, reprinted by Windward), won the Golden Kite award for nonfiction. Home on the Moon (National Geographic), won the prestigious American Institute of Physics Science Writing award. Her most recent book, Space and Astronomy: Decade by Decade came out in 2007. Her articles, poems, and short stories have appeared in numerous publications including; Ad Astra, Analog Science Fiction, and Odyssey magazines. She has appeared on C-SPAN2 and Reading is Fundamental, and was a science advisor for Scholastic’s Space University series for which she wrote Stars and Galaxies. Dyson designs and edits the annual program book for the Rotary National Award for Space Achievement Foundation and is a technical consultant for Enslow Publishing. For more information, visit her website at mariannedyson.com. Non-Fiction reviews: Postcards from Mars. Fiction reviews: Challenger Park, Earthseed, Foreigner, Hurricane Moon, Journey Between Worlds, Old Man's War, Species Imperative (series), Spin. Children's reviews: Astrobiology, The City of Ember, Darok 9, Earth to Stella, Faraway Worlds, Greetings from Planet Earth, Max Goes to Mars, Max Goes to the Moon, Pieces of Another World, Reaching for the Moon, Robots Slither, Shanghaied to the Moon, Sky Horizon, Spacer and Rat.

Brian Enke is a research analyst in the Department of Space Studies at the Southwest Research Institute. He holds a M.S. degree in computer science from Northwestern University, specializing in software algorithms and artificial intelligence. Brian is active in several space-related organizations, a member of the Program Study Team at the Mars Foundation, an Advisor to the MarsDrive Consortium, and a Mars Society chapter chair. He has given conference presentations on space science and economics, public outreach, and low-budget Mars settlement strategies. In his spare time, Brian writes about Mars, and he is also a software mentor for the Nederland High School robotics club in Nederland, Colorado. Fiction reviews: Forbidden Cargo.

Gina Hagler is a freelance writer. Her work has appeared in a number of nonfiction publications. One of her articles for Odyssey, “Wildfire!,” received a Letter of Merit from the 2005 SCBWI Magazine Merit awards. She has an MBA and has worked as a financial analyst, strategic planning analyst, and small business consultant. She is married, with three children and the requisite dog. She lives in the Maryland suburbs and is a frequent visitor to the Air & Space Museum and the Udvar-Hazy Center. You can see some of her work at GinaHagler.com. Children's reviews: Home on the Moon, Ilan Ramon: Israel's First Astronaut, Space Station Science, Team Moon.

John F. Kross is an oral pathologist and medical writer/editor in Lincoln University, PA. He is vice president of scientific affairs for a medical communications company and works with the pharmaceutical industry to approve/launch new drugs and provide continuing medical education to physicians and other healthcare providers. His "day job," however, is frequently interrupted by Bonstellian daydreams of leading an expedition to Mars and returning to the Moon. Consequently, Dr. Kross has been a member of NSS (or its predecessor NSI) since 1983 and has been a frequent contributor to Ad Astra since 1989. He has served as Senior Contributing Editor on the magazine since 2003. Personal highlights of his Ad Astra "career" include co-authoring an article on reusable launch vehicles with Edwin "Buzz" Aldrin and contributing to a space reference book, Space Sciences. Non-fiction reviews: Astro Turf, 50 Years in Space, Riding Rockets, Sky Walking, Space Race.

Bart Leahy has been a National Space Society member since 1997. He earned a master’s degree in Technical Writing from the University of Central Florida, where his master's thesis suggested using targeted marketing to enhance the appeal of space exploration messages. As a volunteer writer for NSS, he has developed presentations, marketing collateral, and a position paper on space tourism. He was also volunteer coordinator for the 2005 ISDC in Washington, D.C., and has written several articles about the 2006 ISDC for Ad Astra magazine. He now works as a technical-writing contractor for the Marshall Space Flight Center in Huntsville, AL. Non-Fiction Reviews: In the Shadow of the Moon (movie), Mining the Sky, Rocket Man, The Singularity is Near, Utilization of Space. Fiction reviews: Children of God, Lucifer's Hammer, Red Mars, The Sparrow, Variable Star.

Jeffrey Liss is a member of the Board of Directors of NSS and previously served 3 years as Editor of INSIDE NSS (a monthly chapters newsletter no longer produced). In 1989 he served as Chair of NSS's annual International Space Development Conference (ISDC) in Chicago, and principal co-editor of its Proceedings. He has received NSS' Space Pioneer Award as Activist of the Year and the NSS Award for Excellence. He also is Vice President of the Illinois North Shore chapter of NSS. Professionally, Liss is a general business lawyer in Chicago, IL, and a graduate of Brown University and Harvard Law School, with an LL.M. in Taxation from DePaul College of Law. He has served as Chair of various committees and sections of the Chicago and Illinois State Bar Associations, and served for many years in the ISBA Assembly. Liss has written and lectured widely on both space issues and legal subjects and has represented NSS on radio and televison. He also is a science fiction author, with five published stories. He chaired the Science Fiction & Fantasy Writers of America's 2005 Nebula Awards Weekend, serves on SFWA's Contracts committee, and participated on panels at two Worldcons and numerous other science fiction conventions.

Tierney O'Dea is a science writer and Chief Operating Officer for Slooh.com, a live astronomy website. From 1998 to 2003, she was a researcher and associate producer for NBC Nightly News with Tom Brokaw where she often covered science & NASA events. She was also a docent at the Hayden Planetarium and a writer for Space.com. Tierney first joined the NSS in 1988 back during her Space Camp days and happily became a member again this year. At the ISDC, she volunteered for the NSS's Council for a Positive Future, a new joint venture with the Space Frontier Foundation and the Mars Society. She now lives in Austin, TX with her husband, Brooks, and loyal pug, Stella. For more information, you can visit her blog at Leapology.com. Non-Fiction reviews: Moondust.

Robert Z. Pearlman is the founder and editor of collectSPACE.com, the leading online resource and community for space history enthusiasts. He has driven the content and creation of some of the most popular and influential websites devoted to the subject of space exploration, including: the original "Ask An Astronaut", the National Space Society's website, the official viewer's guide to Tom Hanks' HBO miniseries "From The Earth To The Moon", and Apollo 11 astronaut Buzz Aldrin's "Encounter with Tiber" website. Prior to establishing collectSPACE, Pearlman held positions with Space Adventures, Ltd., Imaginova Corp. and the National Space Society. Today, Pearlman is also Vice President of Countdown Enterprises, a leading producer and retailer of space-themed merchandise. He is a former member of the National Space Society's Board of Directors and serves on the Advisory Committee of the Ansari X PRIZE Foundation, as well as the nominating induction committee for the Astronaut Hall of Fame in Florida. Non-fiction reviews: Apollo Moon Missions: The Unsung Heroes, Return to the Moon, The Space Tourist's Handbook, Spacecraft Films Apollo DVD Sets. Children's reviews: Kids to Space.

Jim Plaxco made first contact with the space-activist community in the mid-80s when he became a member of the National Space Institute, the predecessor of the National Space Society. In 1988 he became an active member of the Chicago Space Frontier L5 and Chicago Society for Space Studies (CSSS) chapters of NSS. He served as president of the Northern Illinois Space Advocacy and is currently a director and public affairs vice president of CSSS. Plaxco was elected to the NSS Board of Directors from Region 6 in 2002, and served as vice president of chapter affairs until January 2005. Plaxco has also served on the Board of Advisors for the Harper College Center for Meteorite and Planetary Studies; as program director for the Henize Science Learning Center (including editing PSF News and being webmaster and vice president of the Planetary Studies Foundation). Plaxco currently serves on the CSSS speakers bureau and as a NASA JPL Solar System ambassador, providing educational presentations. He is also the creator and webmaster of Astrodigital.org, an educational web site for space-related subjects. Plaxco holds a degree in economics and a master’s in computer science from Northern Illinois University. Plaxco is employed as a database administrative specialist and lives in Schaumburg, IL with his wife and two sons. Contact him via the Chicago Society for Space Studies. Non-fiction reviews: ISScapades, Reference Guide to the International Space Station, Utilization of Space.

Susan Raizer is the president of the Long Island Space Society NSS chapter. She is also a docent at the Cradle of Aviation Museum, educating the public and fellow docents about the space exhibits and space history in general. She is a graduate student in a distance program at the University of North Dakota's Space Studies department that will lead to an MS in space studies. She admits to being an original Star Trekker and enjoying the science fiction genre. She is interested in space history (she has an MA degree in history) and science fiction and science fact. Her experience as a bank credit underwriter and analyst (with an MBA degree) in encapsulating ideas and themes in a concise manner helps with her review writing. Non-fiction reviews: Roving Mars, Saturn, A New View, Sex in Space, To Rise From Earth.

Ted Spitzmiller began his professional career at the Army's Ordinance Guided Missile School in Huntsville, Alabama, and taught in the Atomic Weapons Training Group at Sandia Base in Albuquerque.  He has worked for IBM, INTEL, and the Los Alamos National Laboratory, from which he retired in 2001.  Paralleling his profession in computing (he has an MS in Computing Information Systems), Ted is an aerospace historian and a flight instructor who has logged over 4,000 hours in more than 60 different types of aircraft.  He is an author who has been published in all major aviation magazines over the past 25 years. His 2007 two-volume history of space exploration is available from Apogee Books (Astronautics: Book 1 - Dawn of the Space Age and Astronautics: Book 2 - To the Moon and Towards the Future). Non-fiction reviews: The Case for Mars, The Space Shuttle Decision, Von Braun.

Allen G. Taylor is the President of the Oregon L5 Society. He joined the National Space Institute in 1976, which later merged with the L5 Society to form the National Space Society. He is a co-founder of the Orange County Space Society in Orange County, California. A lifelong reader of science fiction and science fact books, Allen has worked as a design engineer in the aerospace and the computer industries. He is the author of over twenty books, including several in the popular "For Dummies" series. Allen currently teaches electrical and computer engineering at Portland State University in Portland, Oregon, and lectures on astronomy onboard cruise ships. Non-fiction reviews: Saturn. Fiction reviews: The Engines of God, Powersat, Red Lightning, Red Thunder. Children's reviews: 101 Outer Space Projects for the Evil Genius, Engineering for Every Kid.

Veronica Ann Zabala-Aliberto is on the NSS board of directors, is the founder and chapter president of National Space Society of Phoenix and the Astronaut Hopefuls of Arizona, and serves as a Jet Propulsion Laboratory Solar System Ambassador (2004-present). She is a veteran of the Mars Desert Research Station serving on Crew 36 as Crew Geologist on the first all-female crew to a Mars analogue station in Utah in March 2005 and Commander of a private F.L.A.M.E. mission in June 2005 (which she shared with her three children), and will be commanding a mission in March 2007. Zabala-Aliberto is currently a senior undergraduate student within the School of Earth and Space Exploration. She is the educational outreach coordinator for the Arizona State University NASA Space Photography laboratory and caters to educators, students and members of the general public providing educational outreach pertaining to human and robotic space exploration. She currently is analyzing data from the Mars Exploration Rover mission and that of the European Space Agency's mission, Mars Express, focusing her research on data retrieved from the High Resolution Stereo Camera in hopes of detecting aeolian features on the surface of Mars. Zabala-Aliberto has presented at invited talks and gives lectures to schools and space related events. She enjoys hiking, camping, SCUBA, aviation, and Clive Cussler’s novels. Children's reviews: First on the Moon, Man on the Moon, NASA Planetary Spacecraft, You Wouldn't Want to Be on Apollo 13.