Books with title The Amber Novel: Trumps of Doom

Merle Corey is a brilliant young computer designer in San Francisco. But he is also Merlin, son of Corwin, vanished prince of Amber - Heir to his father's wondrous powers - and someone is determined to kill him. Now he will begin a desperate race through Shadow to excape the mysterious force that threatens his life... and to protect the deadly secret that could destroy both his worlds.

Trumps of Doom is the first book in the second Chronicles of Amber series and the sixth book overall. Whereas the first series was narrated by Corwin, this series is narrated by his son, Merlin, born of Dara, holy terror of the Courts of Chaos. Merle Corey's got several problems. He's secretly Merlin, a Prince of Amber. His father Corwin has been missing for years. Oh, and someone tries to kill him every April 30th for reasons unknown. Trumps of Doom won the Locus Award for Best Fantasy Novel in 1986.