Incoming Resources
- The gravity tree, the true story of a tree that inspired the world, written by Anna Crowley Redding ; illustrated by Yas Imamura
- Gravity's engines, how bubble-blowing black holes rule galaxies, stars, and life in the cosmos, Caleb Scharf
- The trouble with gravity, solving the mystery beneath our feet, Richard Panek
- Gravity, how the weakest force in the universe shaped our lives, Brian Clegg
- Gravity, Nick Hunter
- You wouldn't want to live without gravity, written by Anne Rooney ; illustrated by Mark Bergin
- The gravity tree, the true story of a tree that inspired the world, written by Anna Crowley Redding ; illustrated by Yas Imamura
- Fabulous forces, Paul Harrison
- Gravity's engines, [how bubble-blowing black holes rule galaxies, stars, and the life in the cosmos], Caleb Scharf