Every great hero starts somewhere—sometimes, it’s not with a prophecy or a battle cry, but with boredom. Book 1: Slinger the Spider begins in the quiet shadow of Skeleton Steve’s tower, where one lonely spider waits for a friend who might never come back. It’s eerie. It’s patient. It’s the calm before the crawl.

Slinger isn’t your average mob. He’s got brains, heart, ravenous hunger, and a touch of chaotic curiosity that keeps getting him into (and occasionally out of) trouble. Ever since Skelet...