From publisher blurb: The brilliant but eccentric Professor Pennyworth is back! Inside this bountiful product, the eccentric but brilliant inventor details 39 gadgets, 9 weapons, 4 vehicles, and 3 living creations. The Professor has also been dabbling in the supernatural, and presents three occult relics. In addition to the many technological wonders, there are two new Leagues, 3 sample characters, 8 henchman, adventure seeds, and notes on the powerful Dreadnought-class airships.