By Ana Gallo, Author & Victor Escandell, Illustrator. Welcome to the world of Sleuth & Solve, a collection of 20 clever mysteries where the clues are in the details and crafty twists put readers' wits to the test. Read the clues, work on solving them, then lift the flap to reveal the answer to each mystery. Sleuth & Solve encourages readers of all ages to practice deduction, inference, and logical reasoning to crack each case—and develop critical thinking skills at the same time. A compelling collection of interactive, inference-based mysteries. For ages 8 and up.