Danny Dragonbreath and his friend Wendell get an up-close underwater tour of the Sargasso Sea from Danny's sea-serpent cousin, encountering giant squid and mako sharks--and learn about standing up to bullies in the process.
Danny's mother has disappeared into a fairy ring growing in her backyard vegetable garden, and Danny and his friends, Wendell and Christiana, must go to Faerie to try to save her.
Danny Dragonbreath and Wendell travel to Mexico to visit Danny's bat specialist cousin, but when a giant bat monster kidnaps Danny, Wendell gets his chance to play hero and save his friend before the bat monster makes Danny a permanent addition to her bat family.