"The four chapters of this easy reader zip right along with a straightforward, breezy plot and two charming, mischievous mice leading the way." -- Bulletin of the Center for Children's Books Fergus loves being the class pet. When the teacher plans a field trip to a museum, Fergus doesn't want to miss the fun, so he stows away in a backpack and sets off for an adventure. The museum is a little overwhelming -- huge and full of exciting things to see...