Ebook: The berenstain bears get the don't haftas

Just before a big road trip, there's one thing Sister Bear doesn't have to doBefore the Berenstain Bears pile into the car to visit Aunt Dorothy, there's one thing every bear needs to do: go to the bathroom. But when Mama Bear suggests a stop in the restroom to Sister Bear, Sister will only say: "I don't hafta." No matter what Mama suggests, Sister insists, "I don't hafta. I don't hafta. I don't hafta." As it gets closer and closer to the time to leave, will Mama Bear convince Sister that maybe she does hafta' Or will the family be making a pit stop before they're even on the road'