TY - BOOK TI - Xtreme illusions T2 - National geographic kids SN - 9781426310119 (trade) U1 - 152.14/8 23 PY - 2012/// CY - Washington, D.C. PB - National Geographic Society KW - Optical illusions KW - Juvenile literature KW - Puzzles KW - sears N1 - 5.9; Follett Library Resources; 3-6; Follett Library Resources; 3-6 N2 - A collection of visual puzzles, encouraging the reader to decipher optical illusions with images that appear to be moving and pictures that depict more than they seem, along with perplexing patterns, and more ER -