When a blue crayon goes missing in Sammy Smart's classroom, everyone is puzzled.
Sammy loves solving mysteries, so he looks carefully for clues. He talks to his friends, observes what they are doing, and notices something important others miss.
With a calm mind and kind heart, Sammy figures out what really happened to the missing crayon.
In this gentle and engaging mystery, young readers are invited to think, observe, and solve the case right alongside Sammy