The Mostly Invisible Boy
Book #1 in the Casey Grimes Series

Being invisible sounds cool… until no one saves you a seat at lunch.​

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Eleven-year-old Casey Grimes has an invisibility problem. At school, kids walk right past him. Teachers forget his name. He’s not shy or quiet—he’s literally invisible in a way that doesn’t make sense.

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Then Casey climbs a colossal oak tree and discovers something impossible: a hidden forest society called Sylvan Woods where kids train to track monsters, navigate dangerous trails, and defend the suburbs from creatures forgotten by the outside world.

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For the first time in his life, Casey is noticed. The only catch?
If anyone discovers he doesn’t belong, he’ll be expelled—or worse.

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The Mostly Invisible Boy is the beginning of the Casey Grimes middle-grade fantasy series, a seven-book adventure (and growing) filled with secret fortresses, monster-haunted woods, and kids who are braver than they realize.​​​​

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“A true adventure, where the stakes are high and the danger real.”
— Bookworm for Kids​​​

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“Fast-moving and exuberant, packed with imagination.”

— Kirkus Reviews