The latest installment of Tiger Tales' Museum Kittens series continues with book 4, The Treasure Map . The museum kittens are exploring an old pirate ship when Boris discovers something that just might be a real treasure. Can Grandpa Ivan help them find it? With black-and-white illustrations throughout. The Museum Kittens' latest adventure takes them onto a pirate ship in the museum, where Boris thinks he sees the rats with a treasure map. He chases the rats around the museum all day, but to no avail. Just when he's about to give up, he stumbles upon something that just might be a real treasure—but the kittens will need Grandpa Ivan's help to recover it. Features black-and-white illustrations throughout. In this new series from best-selling author, Holly Webb, the Museum Kittens are brave, clever, and never more than a whisker away from adventure! When the museum's visitors are gone for the day, it's time for the kittens to come out and play!