Great books for young mystery lovers.

Stevenson, James. The Mud Flat Mystery. 56 pages. (PreS - Grade 2)
In 12 short chapters the animals of Mud Flat attempt to figure out what is inside a box that has been left on the front porch of Duncan's home. You'll laugh at all the funny things the animals do while guessing what's inside the box.

Yolen, Jane. The Mary Celeste: An Unsolved Mystery from History. 1 v. (Grades 3-5)

A young girl tries to put together clues left by her detective father about the mysterious history of a ship called the Mary Celeste. In 1872 the ship was found with no passengers on board. A great book to read aloud and discuss the different theories of what may have happened. The main text is presented in a large box, while smaller boxes provide definitions for unknown terms.