When Tim is followed home by a dog on the street, he's determined to find out who the friendly stray belongs to. But with a little investigating, Tim discovers

Twelve-year-old British schoolboy Tim Malt and his dog, Grk, set out on a new adventure while in New York City, where they seek to discover who stole the Golden

Tim and his dog Grk face kidnapping, a plane crash in the jungles of Brazil, and more as they pursue a gang of escaped bank robbers--the infamous Pelotti brothe

When Grk sniffs some succulent sausages, he can't resist following his nose - and ends up on the other side of the world. He's in Australia, the land of surfing

A perfect middle-grade adventure for the same fans as Alex Rider readers. Tim Ma Praise for the Grk books: “Pure adventure fun.”—Kirkus Reviews “Crackle