Purrmaids The Scaredy Cat (2017) Scholastic Paperback Book #1

Coral, Shelly, and Angel are best friends. They love exploring their home in Kittentail Cove. On the first day of sea school, their teacher asks everyone to bring in something special to share with the class. Shelly and Angel can’t wait to visit Tortoiseshell Reef to find an extra-special treasure. But the reef is all the way on the edge of the cove and Coral is scared to swim that far away from home. Can this scaredy-cat learn to be brave?