WELCOME TO LAKE GRIMTON.

DON’T FALL IN!

Andy Wagner is afraid he’s already peaked—and he’s only thirteen. Months ago, he and his friends solved one of Infinity Point’s greatest mysteries and became local heroes. Now life is ordinary again … until his tour boat lurches, flinging him into Lake Grimton. Something shoots beneath him.

Something far too big to be a fish.

Grimmy, the town’s legendary lake monster, hasn’t been seen in over a century. He’s celebrated as a gentle giant whose song brings inner peace. But as Andy and his friends investigate his return, the old stories stop adding up.

Grimmy is no gentle giant.
He’s dangerous. So is his gift.

Someone else wants that gift. If he gets it, countless lives could be ruined. To stop him, Andy must unravel a mystery that has fooled generations … and survive a monster that should have never been set free.

Andy wanted a bigger adventure. Now he’s in way over his head.

Packed with humor, puzzles, supernatural danger, and unexpected twists, Cracking Monsters continues The Uncrackables, a fast-paced middle-grade mystery-adventure series for fans of Gordon Korman’s Masterminds, James Ponti’s The Sherlock Society, and The 39 Clues.