Get a Free E-Book at the Apple Store: The Mystery of the Disappearing Dogs 

The Parent-Teacher Edition of the first book in the Mystery Ryders series is available for free at the Apple Store.

This e-book contains the complete text of The Mystery of the Disappearing Dogs plus additional background information and educational resources for parents and teachers. This e-book is a great way to see if your young reader enjoys the series.

BTW: This mystery makes for a terrific read-aloud.