Your first step through the Forbidden Gateway will take you into a new dimension in adventure gamebooks. The whole space/time continuum is the battlefield — at stake is the future of our species.A baffling crime reveals a trail which leads from a house in Kent to dark secrets locked beneath the sands of Egypt. Then there is a perilous flight across Europe in the airship Lucretia — and nothing can prepare you for the forces of the Outer Darkness which await you. No gamebook offers a starker challenge than this — can you save mankind from the terrors out of time?Courage, resourcefulness and luck are what you need to battle the forces of the Outer Darkness. Equip yourself with two dice, a pencil and an eraser, and you are ready...