On a dark spooky night, deep down in the sea, Baby Shark and his friends wondered, "Who can we be?" Try on these costumes, it's time to have fun. We need to get ready, Halloween has begun! Sing, dance, and read along to this Halloween song, featuring Baby Shark and his underwater friends! Kids and caregivers alike will delight in this silly illustrated story as Baby Shark and his friends try on a variety of costumes and go trick-or-treating, in this book full of funny, eye-popping illustrations and a catchy tune you won't be able to stop singing. Also features helpful picture guides so readers can dance along, act out the hand and foot movements, and develop their fine motor skills. Cuddle up with your little one and as you laugh, sing, and dance along to this charming and catchy read-aloud!