The book "Pippin on the Ship" by Astrid Lindgren

This novel by Astrid Lindgren is about the strongest, kindest, happiest and most mischievous girl in the world: Pippi Longstocking. Pippi lives in her mansion, Villa Villekula, with her monkey, Mr. Nilsson, and her horse. She has inseparable friends Tommy and Annika, whose everyday life Pippi brightens with her amazing presence. Pippi Longstocking has a vivid imagination and exceptional humanity.