Billy Sure, twelve-year-old inventor and CEO of Sure Things, Inc., adds espionage to his resume in the second book of a hilarious middle grade series! Billy Sur

Famous young inventor Billy Sure deals with a corporate spy from a rival company and argues with Manny about his newest invention, the Stink Spectacular.

Billy Sure, twelve-year-old inventor and CEO of Sure Things, Inc., hosts a competition to find the Next Big Thing in the fifth book of a hilarious middle grade

When Billy invents a device to allow people to know what their dogs and cats are trying to say, he learns that pets' thoughts are better left unsaid.

Join Billy Sure and his partner, Manny Reyes, as they invent the world’s most useful things—with hilarious results—in the first four books in the Billy Su