Incorrigible and precocious David Jesse King has high hopes of winning the Faith & Fun Science Fair—until someone sabotages his chances!—in this hilarious new chapter book series from the bestselling author of The Summer Camp Disaster.

David loves school! Especially since he just won third place in in his school's science fair AND his class has entered the regional Faith & Fun Science Fair!

It’ll cost $500 for their class to go to regionals, and David is ready to be the top fundraiser and make it happen. The only thing standing in his way is Abby, the new girl who seems to be good at everything and keeps stealing David's thunder.

Can David stop Abby from sabotaging his chances of being discovered as a scientific genius? And when someone steals their fundraising money, can he figure out whose sabotaging his entire class?