Tag: Code
The Computer Code Mystery (Celia Science & Anna Art) (Volume 1)
Celia (11) and Anna (7) are inquisitive sisters who solve problems – usually with a new invention. When a mid-winter blizzard forces their school to shut down, they figure
U.S.A. Secret Code Puzzles for Kids (Dover Children’s Activity Books)
Kids love secret codes, and this book offers dozens of intriguing challenges with insights into U.S. history, geography, pop culture, and a host of other subjects. Suitable for ages
George’s Secret Key Hardcover Collection: George’s Secret Key to the Universe; George’s Cosmic Treasure Hunt; George and the Big Bang; George and the Unbreakable Code
Join George and Annie as they explore the galaxy in this cosmic adventure series from acclaimed scientist Stephen Hawking and his daughter Lucy Hawking.This four-book collection includes: George’s Secret