Secret codes are the best fun! This book includes lots of space to write your secrets. If you want to keep your secrets really secret the pages at the back of t

Teen-agers searching for a treasure hidden at an old farm find a secret message written in code.

"Can a secret code help save someone's life? Find out as you read about Kathryn's adventure in the Arizona desert."--

Verlagsinfo: The Divine Proportion reveals a number of simple patterns: It is seen in the seed patterns of fruits, the family tree of bees, the pyramids of Egyp

Oscar, who is blind, teaches Lucy how to read his Braille book.