Invasion of the Pig Sisters (Fitch & Chip (Hardcover Numbered))

It's Saturday. Best friends Fitch and Chip have big plans in the park. But these plans do not include little sisters. Chip has three of them -- Honey, Bitsy, and Suey. They can be pests. They can be scaredy-pants. Since Fitch is a wolf, will the girls end the day crying wee-wee-wee all the way home? Laugh along with this fourth funny book of Fitch and Chip's adventures.