A crossover between the Leviathan cast and the Speed Racer world, in Airspeed Velocity Deryn must disguise herself as a boy once again so that she can compete in the popular sport of Pro Racing. However, the Inspector Detector and his mysterious companion recruit her into helping them uncover the extortion of the Hohenburg Company by doing what she does best - racing.

She was sent to another world to protect it from destruction. Yet, she falls in love with her first friend. Years later she returns. Watch as she pulls the Racer Family into a world of magic and mischief. "I solemnly swear that I am up to no good." RexXOC

Cars were living, breathing things and Speed had never really needed Rex to tell him that. Still, hadn't that just been a story Rex had told him on nights when he couldn't sleep? The white wolf with red markings in the driveway begged to differ.