A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.

"Mr. Fish's friends are all about to pout, and soon the whole class is in a bad mood. What can Mr. Fish do to turn the day around? All it takes is a simple act of kindness!"--Jacket flap.

Mr. Fish cannot fall asleep, but with help from his underwater friends, he finds a bedtime routine.