Space Mission Analysis and Design. W. J. Larson and J. R. Wertz (Editors). Microcosm Press, 1999.
Space Mission Engineering: The New SMAD. James R. Wertz (Editor).
Space Vehicle Dynamics and Control. Bong Wie. AIAA, 1998.
Spacecraft Thermal Control Handbook: Vol.1 Fundamental Technologies. David G. Gilmore (ed.) AIAA, 2002.
Space Systems Failures. Harland, Shayler, Lorenz. 2005.
Space Debris: Models and Risk Analysis. Heinrich Klinkrad. 2006.
Orbit and Constellation Design and Management. J.R. Wertz. Microcosm, 2001.
Spacecraft-Environment Interactions. Daniel Hastings & Henry Garrett. Cambridge Univ.Press, 1996.
Hypersonic aerothermodynamics. John J. Bertin. AIAA, 1994.
Modeling and Simulation of Aerospace Vehicle Dynamics. (2nd ed.). Peter H. Zipfel. AIAA, 2007.
Deep Space Flight and Communications: Exploiting the Sun as a Gravitational Lens. Claudio Maccone. Springer, 2009.
Modern Engineering for Design of Liquid-Propellant Rocket Engines. Dieter K. Huzel and David H. Huang. AIAA, 1992.
Coming Home: Reentry and Recovery from Space. Roger D. Launius, Dennis R. Jenkins, NASA
Free download in EPUB / MOBI / PDF formats via NASA e-Books page
Introduction to Astrodynamic Reentry. Lt.-Col. Kerry D. Hicks, 2009. (Free PDF online).
Mechanics and Thermodynamics of Propulsion. P. Hill, C. Peterson. Addison-Wesley, 1992
Rocket Propulsion Elements, 7th Ed.. G.P. Sutton & O. Biblarz. John Wiley & Sons, 2001
Free PDF from MIT, albeit with many drawings cut away - it's better to read the 4th ed. as well
Liquid rocket combustion instability. NASA, 1972. SP-194. Harrje D.T., Reardon F.H.
Liquid rocket engine combustion instability. Progress in Aeronautics and Astronautics, vol. 169. AIAA; 1995. Yang V., Anderson W. (eds.)
Dynamical Systems, the Three-Body Problem and Space Mission Design, Koon, Lo, Marsden & Ross, 2006
Free PDF form Caltech
Statistical Orbit Determination. B.D. Tapley, B.E. Schutz, G.H. Born. New York, Elsevier, 2004.
Spacecraft Operations. Thomas Uhlig, Florian Sellmaier, Michael Schmidhuber. Springer, 2014. ISBN 9783709118023
Deep Space Optical Communications. Ed.by Hamid Hemmati. JPL, 2005. Available online
Handbook for limiting orbital debris. NASA, 2008 (expired in 2013). Still Online.
Libration Point Orbits and Applications. J.Masdemont. 2003.
Fundamentals of Electric Propulsion: Ion and Hall Thrusters. Dan M. Goebel, Ira Katz. Free PDF from NASA
Principles of Space Instrument Design. A. M. Cruise, T. J. Patrick, J. A. Bowles, C. V. Goodall. Cambridge Univ.Press, 1998. ISBN 9780521451642.
Deep Space Telecommunications Systems Engineering. Joseph H. Yuen (Ed.), Jet Propulsion Laboratory, California Institute of Technology, 1982, (JPL Publication 82-76) Online
LEO on the Cheap: Methods for Achieving Drastic Reductions in Space Launch Costs. John R. London III, Lt Col, USAF. Research Report No. AU-ARI-93-8, Air University Press, Maxwell Air Force Base, Alabama, October 1994. Free and Available here.
Orbital Mechanics for Engineering Students by Howard Curtis. Rentable as an ebook, purchasable in all formats
An Introduction to Rocket Missile Propulsion Rocketdyne Technical Training publication that covers basic rocket equations in a simplified manner. Annoying page-at-a-time viewer but a valuable resource.
Glossary of Terms Used in Chemical Propulsion Systems Defines most commonly used words used in discussing chemical rocket systems.
(age 4-8) Brian Floc: Moonshot: The Flight of Apollo 11 (48 pages)
(age 5-7) Martha E. H. Rustad: The Exploring Space (6 x 24 pages)
Linda McReynolds: Eight Days Gone (48 pages, 2012) ISBN 9781580893640.
(age 7-11) Raman Prinja: Universe Rocks (4 x 32 pages, 2012) ISBN 9781848359345.
Elise Gravel: Blast off with Doodle Tom (96 pages)
(age 8-10) Heinemann-Raintree (publisher): Astronaut Travel Guides (8 x 48 pages)
(age 9+) Mark Brake, Nishant Choksi: Really, Really Big Questions about Space and Time (64 pages)
(age 9-13) Don Nardo: Destined for Space (64 pages)
(age 9-13) Enslow Publishers: The American Space Missions—Astronauts, Exploration, and Discovery (6 x 48 pages)
(age 10+) Ian Graham: 3D Explorer: Solar System (32 pages pop-up)
(age 10-13) Carolyn Cinami DeCristofano, Michael Carroll: A Black Hole Is Not a Hole (48 pages)
(age 10+) Clive Gifford: Out of This World: All the Cool Bits About Space (128 pages)
(age 10+) Pamela Dell: Man on the Moon: How a Photograph Made Anything Seem Possible (64 pages)
Kristen McCurry, Mat Edwards: How to Draw Amazing Airplanes and Spacecraft (64 pages)
(age 11+) Eve Hartman, Wendy Meshbesher: Mission to Mars (56 pages)
Review of children's space-themed books by Emily Lakdawalla