Peter takes pride in being rude and gross. He doesn't think manners are important at all. But when his family starts to use bad manners, Peter gets a reality check.
The tiny hermit crab loves his new shell. He doesn't want to share it -- not with a blobby purple anenome and a tickly bristleworm. But life in the rock pool proves tougher than Crab thinks, and soon he finds he needs his new housemates in this rollicking story of sea, shells and friendship.