When Shifty and Sam are asked to bake on board the Pawrient Express, travelling to Venice for Carnival night, they find themselves caught up in a robbery. A sneaky thief has stolen the posh passengers' gems and she's making her escape in a getaway gondola! The doggy detectives are hot on her tail, but can they unmask that kitty-cat criminal and save the day?

Tracey Corderoy is a multi-award-winning author and has written over 70 books for children including collaborations with Rosalind Beardshaw and Sarah Massini.

Steven Lenton has created many books with Tracey Corderoy and also illustrates books by David Baddiel, Frank Cottrell-Boyce and Peter Bently. His books have won awards such as the Sainsbury's Children's Book Award and have been selected for the WHSmith Children's Book of the Year and Tom Fletcher Book Club.