Marco Polo, brave explorer

"Originally a soft, mouse-shaped Christmas ornament, Marco Polo becomes a Book Buddy (a doll or stuffed toy to check out from the library). A brave explorer, he's thrilled when a boy named Seth chooses him to take to Ben's house to bolster his courage for his first sleepover. All goes well until a cat picks up Marco Polo during the night and stashes him away. Undeterred, the intrepid mouse finds his way back to Seth along with Ben's long-lost monster stuffie"--Booklist.