The case of the disappearing dinosaur / Preller, James

Second-grade detectives Jigsaw, Mila, and their friends solve two related mysteries--a lost coin purse, and a magic trick gone awry.

Kid detectives Jigsaw and Mila have a busy weekend when they are hired to find the owner of a lost purse, and then must solve the mystery of a missing dinosaur at their friend Bigs's birthday party.