Author Brian M Thomsen, who was also a consulting editor for Tor Books, has passed away after a sudden heart attack.

Tomsen was a great Science Fiction and Fantasy writer, publishing several fantasy novels including the Forgotten Realms series novels Once around the Realms, Realms of Magic, Realms of the Arcane and The Mage in the Iron Mask. He was also a great writer of short stories and an editor of many Anthologies.

He also wrote non fiction with his most recent book being Oval Office Occult: A Book of White House Weirdness which is a collection of true stories about US Presidents and their encounters with Occult phenomena.

He was nominated for a Hugo Award and had also served as a World Fantasy Award Judge.