“Exploding with energy and mystery, this clever caper had me at the edge of my seat!”—John Patrick Green, New York Times bestselling author of the InvestiGators series
Being a kid is HARD...but being a kid detective is the BEST! Join Harper, a fifth grade genius, in the start to this laugh-out-loud and action-packed graphic novel series!

Harper Sharp is like most fifth graders—he's juggling homework, friendships, video games, and...oh yeah, he's busy solving major mysteries!

When Starview Elementary announces their annual Young Inventor's Fair, everyone's minds start whirring. What will they make? A new trading card game? Collectible slugs?

Suddenly, ominous fliers appear all over school, warning kids and teachers to "BEWARE THE FAIR!" Can Harper figure out who's behind this terrifying threat and foil their nefarious plans? Or will these young inventors' sparks be extinguished forever?! Find out in the start to the next great graphic novel series sensation!