The Casey Grimes Series (Paperback): Three full-length novels, a novella and two short stories in one volume!

An invisible kid. A secret monster-hunting school. A book series families can't stop reading.

📚 The Casey Grimes Series collects the first three novels, a novella, and two exclusive short stories in one edition—the ultimate way to start the series and keep the adventure going.

Perfect for readers who want everything in one place, and for families ready to settle into a fast-paced fantasy world filled with action, mystery, magic—and yeah, monsters.

What’s Included in This Omnibus

The Mostly Invisible Boy (Casey Grimes #1)

Need friends? Try fighting monsters.

Casey Grimes thinks his invisibility is permanent—until he stumbles into a secret forest society in charge of monster control. For the first time, he has a chance to belong…if he can stay alive long enough.

Trickery School (Casey Grimes #2)

Classes have begun. Please don’t die.

Monster-control academy starts for Casey and his sister, Gloria—but there’s a problem: a hidden enemy who’s playing for keeps.

Crooked Castle (Casey Grimes #2.5)

The dragon isn't the worst thing on the island.

When Brook is dumped on a deadly island—by a beast that shouldn't exist—she faces stacked odds, survival traps, and a past that stays just out of reach. This companion novel reveals hidden backstory and secrets that echo through the series.

The Ghost of CreepCat (Novella)

If you’re going to take a hike…watch out for ghost cats.

A spooky standalone story best read after Book One.

When Lila Banks ventures into the woods, she doesn’t expect to be stalked by the ghost of her cat, Orangesicle—or pulled into a magical forest that doesn’t play fair.

Bonus Short Stories

• Into Thin Air – A funny, surprising story cowritten by AJ and his fifteen-year-old son, Aidan.
• The Pencil Killer – A humorous short story with a twist, cowritten by AJ and his thirteen-year-old son, Asher.

(These short stories are included in this omnibus and are not sold separately.)

Why Choose the Omnibus

• Everything you need to begin the series in one volume
• Follow the story in the order it was meant to be read
• Includes exclusive short fiction unavailable on Amazon
• Ideal for readers ages 8–14

Compare: Buying these books individually on Amazon costs $60+, not including the exclusive short stories.

Everything in one book. One world to get lost in.

Want a signed copy? Leave a note in your cart and I’ll happily sign it at no extra charge.