From the back of the book: Centuries in hiding, lifetimes in secret – they are the Clan Destine! Now, generations of a super-powered family have come out of the shadows. The children of the immoral Adam Destine are trying their hand at being super-heroes. Or perhaps not… This game supplement is designed for use with the MARVEL SUPER HEROES role-playing game. This book includes over 35 pages of full color profiles of the Clan, their history, and their adversaries.