books by subject
Astronomy
Faster: Our Race Against Time
You'd Never Believe It But...There's a Great Bear in the Sky and Other Facts About Stars
Astrobiology (Natural World)
Understanding Mars
Our Universe (Fun with science)
The Stars: A New Way to See Them
The Clock Of The Long Now: Time and Responsibility
Introducing Einstein's Relativity
Gravitational Waves: How Einstein’s spacetime ripples reveal the secrets of the universe (Hot Science)
Time
Decoding the Heavens: A 2,000-Year-Old Computer--and the Century-long Search to Discover Its Secrets
Sun, Moon and Stars (Usborne Beginners): 1 (Beginners Series)
How Did the First Stars and Galaxies Form? (Princeton Frontiers in Physics): 1
Probes to the Planets (The Story of Space)
Space Travel Guides: The Outer Planets
Norton's Star Atlas and Reference Handbook
Galileo's Daughter
1000 Facts on Space
A Brief History of Timekeeping: The Science of Marking Time, from Stonehenge to Atomic Clocks
We Need to Talk About Kelvin: What everyday things tell us about the universe
Dark Matter, Missing Planets and New Comets: Paradoxes Resolved, Origins Illuminated
On the Shoulders of Giants: The Great Works of Physics and Astronomy
Structure Formation in the Universe
Why do Volcanoes Erupt?
Janice VanCleave's Astronomy for Every Kid: 101 Easy Experiments that Really Work (Science for Every Kid Series): 101 Easy Experiments that Really Work (Science for Every Kid Series): 88
The Planets in Our Solar System (Let's-read-and-find-out Science Stage 2)
The Solar System (Usborne Beginners): 1 (Beginners Series)
National Geographic Little Kids First Big Book of Space (First Big Books) (National Geographic Kids)
Science Fiction Solar System