Wadjet, essay in the ancient astronomy by J. Chodakowski.     0959809902 Waiting for the apocalypse by Daniel Cohen.     0879752238 Walk through the heavens : a guide to stars and constellations and their legends Milton D. Heifetz, Wil Tirion.     0521469805 Walter Baade : a life in astrophysics Donald E. Osterbrock.     069104936X Wanderers in space : exploration and discovery in the solar system Kenneth R. Lang, Charles A. Whitney.     0521249767 Warped disks and inclined rings around galaxies edited by Stefano Casertano, Penny D. Sackett, Franklin H. Briggs.     0521401844 Watchers of the stars : the scientific revolution Patrick Moore.     0399113746 Watchers of the stars : the scientific revolution [by] Patrick Moore.     0718112857 Watching the universe John Gribbin.     009478230X Water crossing levelling between Denmark and Sweden, 1980-1981 by Ole Bedsted Andersen, Klaus Schmidt, and Michael Aarestrup-Michaelsen.     8774500600 Water on Mars Michael H. Carr.     0195099389 Water on Mars Michael H. Carr.     0195089389 Waves in dusty space plasmas by Frank Verheest.     0792362322 We are not alone : searching the heavens Hilary Evans.     0791060799 We are not alone : the continuing search for extraterrestial intelligence Walter Sullivan.     0525936742 We, from Mars : old and new hypotheses about the Red Planet Walter Hain.     3921369533 Weather and climate on planets by K.Y. Kondratyev, G.E. Hunt.     008026493X Webb Society deep-sky observer's handbook compiled by the Webb Society ; edited by, Kenneth Glyn Jones ; illustrated by John Lewis ; with a foreword by Paul Couteau.     0894901222 Webb Society deep-sky observer's handbook compiled by the Webb Society ; editor, Kenneth Glyn Jones.     0894900277 Welcome to the moon! : 12 lunar expeditions for small telescopes by Robert Bruce Kelsey.     0879612452 West's great ideas for teaching astronomy consultants, Karl F. Kuhn, Darrel Hoff, Louis Winkler.     0314524894 West's great ideas for teaching astronomy edited by Stephen M. Pompea.     0314035095 Western astrolabes by Roderick and Marjorie Webster ; with an introduction by Sara Schechner Genuth.     1891220012 What are you figuring now? : a story about Benjamin Banneker by Jeri Ferris ; illustrations by Amy Johnson.     0876143311 What caused the big bang? Rem B. Edwards.     9042014075 What do I do at 8 o'clock? : a pop-up book by Carla Dijs.     0671795260 What does a martian look like? : the science of extraterrestrial life Jack Cohen and Ian Stewart.     0471268895 What if the moon didn't exist : voyages to earths that might have been Neil F. Comins.     0060168641 What is a shooting star? by Isaac Asimov.     0836804368 What is an eclipse? by Isaac Asimov.     0836804406 What is time? G. J. Whitrow.     0500010854 What makes day and night Franklyn M. Branley ; illustrated by Arthur Dorros.     0064450503 What makes day and night Franklyn M. Branley ; illustrated by Arthur Dorros.     0690045239 What star is that?     0500010706 What star is that?     0670758655 What the moon is like by Franklyn M. Branley ; illustrated by True Kelley.     0060279923 What the moon is like by Franklyn M. Branley ; illustrated by True Kelley.     0064450236 What the moon is like by Franklyn M. Branley ; illustrated by True Kelley. --     0060279931 What the moon is like Franklyn M. Branley ; illustrated by True Kelley.     0690045115 What time is it around the world? Hans Baumann ; illustrated by Antoni Boratynski.     0875920616 What time is it? A.G. Smith.     077375525X What your astronomy textbook won't tell you : clear, savvy insights for mastery [edited] by Norman Sperling ; foreword by David Levy ; with contributions by David Morrison ... [et al.].     0913399043 What's above the sky? : a book about the planets by Caroline A. Glyman ; illustrated by Dee Biser.     187836376X What's colorful about autumn? written by Mary Pat Finnegan ; illustrated by Jeremy Schultz.     140480000X What's cool about winter? written by Mary Pat Finnegan ; illustrated by Jeremy Schultz.     1404800018 What's fresh about spring? written by Valerie J. Gerard ; illustrated by Eric Thomas.     1404800026 What's hot about summer? written by Valerie J. Gerard ; illustrated by Jeremy Schultz.     1404800034 What's in the names of stars and constellations by Peter Limburg ; illustrated by Carolyn Croll.     0698203593 What's inside the moon? Jane Kelly Kosek.     0823952827 What's inside the moon? [electronic resource] Jane Kelly Kosek.     0585094667 What's inside the sun? Jane Kelly Kosek.     0823952797 What's inside the sun? [electronic resource] Jane Kelly Kosek.     0585094586 What's out there? : a book about space Lynn Wilson ; illustrated by Paige Billin-Frye.     0448405180 What's out tonight? : 50 year astronomy field guide, 2000 to 2050 Ken Graun.     1928771009 What's the time? written by Lara Tankel.     1564587266 What's the time? : Benjamin learns to tell time [Anne Leblanc].     0806903821 Whatever shines should be observed = (quicquid nited notandum) Susan McKenna-Lawlor.     189870614X When autumn comes Robert Maass.     0805012591 When is now? : Experiments with time and timekeeping devices by Henry Humphrey and Deirdre O'Meara-Humphrey.     0385132158 When leaves turn : learning the UR sound Sarah Sheffield.     0823959406 When spring comes Robert Maass.     0805020853 When summer comes Robert Maass.     080502087X When the clock struck zero John Taylor. --     0312110960 When the clock struck zero : science's ultimate limits John Taylor.     0312110650 When the clock struck zero : science's ultimate limits John Taylor.     0330325256 When the sun dies by Roy A. Gallant.     076145036X When winter comes Robert Maass.     0805020861 When you look up at the moon by Allan Fowler.     0516060252 Where am I? By Sylvia Caveney and Rosemary Giesen ; illustrated by Simon Stern and Rosemary Giesen.     082251365X Where are the stars during the day? Melvin & Gilda Berger ; illustrated by Blanche Sims.     0791050718 Where are the stars during the day? : a book about stars by Melvin and Gilda Berger ; illustrated by Blanche Sims.     082498644X Where does the moon go? by Sidney Rosen ; illustrated by Dean Lindberg.     087614685X Where does the sun go at night? C.E. Thompson ; illustrated by Marcy Ramsey.     0836253299 Where next, Columbus? : the future of space exploration edited by Valerie Neal.     0195092775 Where on earth am I? Robert Gardner.     0531112977 Where will we go when the sun dies? John W. Macvey.     0812826981 Where's the Big Dipper? by Sidney Rosen ; illustrated by Dean Lindberg.     0876148836 Which way to the Milky Way? by Sidney Rosen ; illustrated by Dean Lindberg.     0876147090 White dwarfs edited by Gâerard Vauclair and Edward Sion.     079231266X White dwarfs : advances in observation and theory edited by Martin A. Barstow.     0792323327 White dwarfs : proceedings of IAU Colloquium no. 114, held at Dartmouth College, Hanover, New Hampshire, USA, August 15-19, 1988 G. Wegner (ed.).     3540510311 White dwarfs : proceedings of the 10th European Workshop on White Dwarfs, held in Blanes, Spain, 17-21 June 1996 edited by J. Isern, M. Hernanz, and E. Garcâia-Berro.     0792345851 White dwarfs : proceedings of the 9th European Workshop on White Dwarfs, held at Kiel, Germany, 29 August-1 September 1994 Detlev Koester, Klaus Werner (eds.).     3540591575 White dwarfs : symposium no. 42, held at St. Andrews, Fife, Scotland, 11-13 August 1970 ed. by W. J. Luyten.     9027701806 White dwarfs--black holes : an introduction to relativistic astrophysics by Roman Sexl, Hannelore Sexl ; translated from the German by Patrick P. Weidhaas.     0126373507 White holes : cosmic gushers in the universe John Gribbin.     0440095298 White holes : cosmic gushers in the universe John Gribbin.     0586082638 Whitney's Star finder : a field guide to the heavens Charles A. Whitney.     0679725822 Whitney's Star finder : a field guide to the heavens Charles A. Whitney.     0394727177 Whitney's Star finder : a field guide to the heavens Charles A. Whitney.     0394749537 Whitney's Star finder : a field guide to the heavens Charles A. Whitney.     039473405X Whitney's star finder a field guide to the heavens Charles A. Whitney.     0394706889 Who goes there? : The search for intelligent life in the universe Edward Edelson.     0385112572 Who goes there? : The search of intelligent life in the universe Edward Edelson.     0070189862 Who's out there? : The search for extraterrestrial life Thomas G. Aylesworth ; illustrated with photos. and line drawings.     0070026378 Who's who on the moon : a biographical dictionary of lunar nomenclature Elijah E. Cocks and Josiah C. Cocks.     0936389273 Why do seasons change? : questions children ask about time and seasons.     0789415291 Why do stars twinkle? by Isaac Asimov.     0836804376 Why do we have different seasons? by Isaac Asimov.     0836804392 Why does the moon change its shape? by Patricia J. Murphy.     0823962342