When Danny Dragonbreath's best friend Wendell the iguana is bitten by one of the hot dogs from his school lunch, he begins to turn into a were-wiener.

Danny Dragonbreath is excited about going to camp with his best friend Wendell and classmate Christiana even though his obnoxious, seven-year-old cousin Spencer is going too, but things change when Spencer finds a real jackalope.

When Danny and Wendell find an injured bat at the neighborhood pool, they take it to Mexico where Danny's cousin, a bat specialist lives, but once there Danny is snatched up by a giant bat monster, and it is up to Wendell to save him.

Danny Dragonbreath and his friends investigate a really weird mystery involving mutants, toxic sludge and giant missing dentures as they try to help the senior reptiles of Sunny Acres find a lost item.

"Danny Dragonbreath travels to the farthest North to find a way to relight his fire before it's too late"--

Danny Dragonbreath and his best friend, Wendell, have a carefully constructed trick-or-treating system designed to maximize their Halloween candy haul. But this year, despite Danny's awesome vampire costume, their plan is flopping. First, Danny's dad makes them trick-or-treat with Christiana Vanderpool, an annoying know-it-all (and girl) who doesn't even believe that dragons exist. And then the school bully dares them to go into a spooky old...