There are eight volumes in the series: The Grk books have been widely praised for their “infectious mix of thrills, spills and off-the-cuff humour”[1] and “pure adventure fun” (Kirkus Reviews).
[2] “Not since Tintin and Snowy has there been such a touching boy-dog partnership,” wrote Amanda Craig in the Times.
He discovers that the dog is called Grk and his owners have been kidnapped and imprisoned by an evil dictator, Colonel Zinfandel.
This discovery leads Tim on a series of wild adventures where he must pilot a helicopter and break into a high security prison.
A Dog Called Grk was shortlisted for the Branford Boase Award.