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 8 to 12, the 36 puzzles reveal fun facts, from the extent of the Appalachian Trail to what Paul Revere really said on ...

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 8 to 12, the 36 puzzles reveal fun facts, from the extent of the Appalachian Trail to what Paul Revere really said on his midnight ride. Solutions included.