Inca the Siberian kitty and her furry detective team are entangled with international spies and the shadowy Ninja Spy Cat in this amusing animal mystery. Inca, the main character, exemplifies the intelligence and cunning of our feline friends and is a sure-footed, strong-willed leader. Readers will admire her grace and wit as they follow her in these surprising tales of redemption. The Inca Book Series is based on the escapades of an energetic Siberian cat named Inca who considers herself a great sleuth. Ninja Spy Cats is the 4th book in the series and follows The Cats Who Crossed Over from Paris, Christmas Cats and Cats in Provence. The wonderful and colorful illustrations will make you turn the pages in glee!