The American research vessel Croydon is studying marine life in the Strait of Hormuz when an Iranian patrol boat intercepts it. The crew is seized and taken to Tehran, where they are tried for espionage and scheduled for execution. Shade and Invisible Six must find the team and rescue them before it's too late. Aligned to Common Core standards and correlated to state standards. Claw is an imprint of Magic Wagon, a division of ABDO.