Terra Obscura: S.M.A.S.H. of Two Worlds (Vertigo, tpb, 336pp), written by Peter Hogan, collects two mini-series set on Earth, though not our Earth, nor the Earth of Tom Strong, although he has visited. He dubbed this Terra Obscura. It mimics his home in many ways, and provides a home to super-heroes from the forties who have fallen out of copyright and trade mark protection, like the atomic-powered American Crusader, The Liberator, The Woman in Red, The Green Ghost and the Scarab.