Incoming Resources
- Champions of illusion, the science behind mind-boggling images and mystifying brain puzzles, Susana Martinez-Conde and Stephen Macknik
- Optical puzzles, 270 captivating puzzles to test your eyes and brain power, Gianni A. Sarcone and Marie-Jo Waeber
- Brain games., produced by National Geographic Television for National Geographic Channels ; writers, Jerry Kolber, Adam Davis, Isaac Holub, Season 2, DVD/Widescreen
- What in the world?, fun-tastic photo puzzles for curious minds, by Julie Vosburgh Agnone