David Van Hooser & Donald Kasen 
Baby Shark . . . The Big Adventure [PDF ebook] 

In Baby Shark . . . The Big Adventure , Baby Shark and Sissy Shark are approached by a Giant Squid who says he has heard them sing and dance and wants to make them famous. The two young sharks are betrayed by the squid and held in sunken ship along with a group of fish. Eventually Baby Shark is able to escape and save the whole group. The lesson to be learned from the book is one of not being taken in by strangers making promises.