Equipped with Gwen's repaired mecha-suit, Gwen and Ben take on Steam Scythe and his steampunk inspired army. When Gwen discovers one of Steam Scythe’s abandoned and incomplete mecha-suits, she and Grandpa Max work together to finish the armor, giving Gwen her own tools to fight baddies! Can the cousins work together to defeat Steam Scythe? Or will they be grounded from hero-ing forever? Join Ben, Gwen, and Grandpa Max in this all-new, original graphic novel inspired by Cartoon Network's hit Ben 10 television series! Written by Rainbow Award-winning author C.B. Lee (Not Your Sidekick) and illustrated by Lidan Chen (Ben 10: The Truth is Out There), this adventure is sure to be a hit.