Revenge of the Horned Bunnies (Dragonbreath Series #6)

Ride 'em, cowboy! Danny's off to summer camp! Danny Dragonbreath is counting down the days to his awesome western summer camp . . . until he gets the terrible news that his annoying younger cousin Spencer is going too. Good-bye, Danny the Cowboy; Hello, Danny the Babysitter. But when Spencer befriends a mythical jackalope (or horned bunny) and then uncovers a diabolical jackalope-napping ring, things start looking up again. After all, if you need a math problem solved, you call a nerd. But ...