Marrow is a fourteen-year-old prodigy at FIST (Fantom Institute for Superheroes-in-Training). With a perfect score on his finals, the ability to smash through walls, and leaps that can launch him over a city block, the Sidekick Internship Program is bound to place him with a top-notch superhero mentor for the summer. But when a series of disastrous events lands Marrow on academic probation,...
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