D-Bot Squard Big Stink (D-Bot Squad #4) by Mac Park (Louise Park)
Dinosaurs are back, and on the loose!
It's up to D-Bot Squad to catch them.
Hunter thinks he's built the perfect d-bot for hunting down a fully grown stegosaurus - an enormous, slow-moving fart machine. But things don't always go to plan...
D-Bot Squad is written to get kids reading - and keep them reading. Combining un-put-downable content with success-oriented readability, D-Bot Squad will have even the most reluctant readers devouring all eight books.