Incoming Resources
- Universal, a guide to the cosmos, Brian Cox & Jeff Forshaw
- Matter, by Alvin Silverstein, Virginia Silverstein, Laura Silverstein Nunn
- Isaac Newton discovers gravity, by Douglas Hustad ; content consultant, Waleed Meleis, Associate Professor, Electrical and Computer Engineering, Northeastern University
- Sir Isaac Newton, overlord of gravity, Angela Royston
- Rainbows, snowflakes, and quarks, physics and the world around us, Hans Christian von Baeyer ; illustrations by Laura Hartman. --
- Matter, by Julie Murray