Felix Yz

“If it wasn’t for the fused-with-Zyx thing, I suppose I would just be normal—whatever that means.”

When Felix Yz was three years old, a hyperintelligent fourth-dimensional being became fused inside him after one of his father’s science experiments went terribly wrong. The creature is friendly, but Felix—now thirteen—won’t be able to grow to adulthood while they’re still melded together. So a risky Procedure is planned to separate them . . . but it may end up killing them both instead.

Th...