Jack Russell: Dog Detective

Jack is a detective with a nose for crime. On duty, he snaps at the heels of local felons, and digs out hidden scams. Off duty he’s Sergeant Russell faithful companion. Jack is assisted by his second-in-command, Foxie Terrier, and by his slightly dim friend Lord "Red" Setter.

The books in this series, written by Darrel Odgers, are recommended for readers aged 9 to 12.