Sherlock Bones and the Addition and Subtraction Adventure
Publisher: Michael O'Mara Books Ltd
Imprint: Buster Books
Age Group: 7+
Sherlock Bones and Dr. Catson are entangled in an arithmetic adventure. They must follow a teasing trail of addition and subtraction-themed puzzles, and it's up to the reader to solve each sum, all in the hope of foiling Professor Moriratty's evil plan. This charming activity book features Sherlock's 'magic device', which reveals the answer to each puzzle when placed over a moir? area, allowing children to test their numeracy skills again and again.
