Based on the global phenomenon, this official Pinkfong Baby Shark book is perfect for sharing with the Baby Shark fan in your life It's Halloween night and Baby Shark can't wait to go trick or treating. But wait He wants to show you his family's Halloween costumes Lift the adorable flaps to discover Mommy, Daddy, Grandma, and Grandpa's spooky costumes. This official title is fully endorsed by Pinkfong and is based on characters from the YouTube global phenomenon with over 2.4 billion views.