Counting Animals - Peek-a-Boo Books Author:Gisela Fischer, Wolfgang Schleicher, Gisela Fischer QuadKids "Peek-A-Boo" Series. Children's layered, panorama-scene board books that excite the child's interest by presenting uniquely-shaped pages along with a hint of the upcoming story. Excellent for parents and adults who enjoy reading to children. Ages 15 months to 4 years. Other books in Series: "Mr. Flips Visits the Animals, Sniffer th... more »e Rabbit and Friends, and Duckling Peep Swims with the Animals.« less