Oscar is a happy dogg---a rambunctious kid who loves being a Dogg Scout. Thanks to his family, he knows that snobby katts are good for nothing but chasing up trees. Molly is a clever katt who just knows she's destined for fame and fortune as an actress. She comes from a family of well-bred katts who despise drooly, disgusting doggs! For their whole lives, Oscar and Molly have been told that katts and dogs hate each other. One day, they each get hopelessly...

A mysterious, recurring dream leads Sam London, twelve, to discover that mythical creatures are real and living in our national parks, and that his dream may mean that the secret of their existence is in danger.

Following the heartbreaking conclusion of his second case, Sam has spent his days searching for the swan maiden. Driven by his belief the maiden is still alive, he sets out with Dr. Vance Vantana and Tashi on a forbidden quest to reunite his family. Butthe journey is long and treacherous and will lead them through the lair of the Mongolian Death Worm--a terrifying creature that has broken the Gryphon's Law and is attacking anyone who dares to cross...