Be Afraid - Be Very Afraid! is a novella written by R. L. Stine. It was first published in 1999 and was the twentieth book in the Goosebumps Series 2000 book series.
Description[]
Connor Buckley and his friends have discovered a new role-playing card game called Be Afraid. The game seems pretty tame - until the guys realize that everything they do in the game is coming true in real life!