Where is Yaya, and what mischief is Boo getting into? Look for Yaya and Boo at a lemonade stand by the end of the driveway, hidden in the flower beds near the front porch, waiting for a snack at the kitchen table, and more! Learn new words by searching for objects in each picture, and spot Yaya and Boo in the unlikeliest places. Whether they re hiding in a cardboard castle or snuggling in a pile of stuffed animals, Yaya and Boo show us that staying at home can be an adventure, too! Series Overview: Momo, Yaya, and Boo love to play hide-and-seek with you! Look for these adorable pup pals hiding in the stunning photography of their best friend, Andrew Knapp.