Robert D. Zimmerman

Robert Dingwall (R.D.) Zimmerman (born August 8, 1952) is an American author of mysteries, psychological thrillers, and children's books. He has won several literary awards.

He was raised in the Chicago area, and currently resides in Minneapolis, MN.

Todd Mills series

• Closet (Oct 1995)
• Tribe (Aug 1996)
• Hostage (Oct 1997)
• Outburst (Oct 1998)
• Innuendo (Nov 1999)

Alex & Maddy Phillips series

• Death Trance (Oct 1992)
• Blood Trance (Jun 1993)
• Red Trance (Jul 1994)

Tsarist Russian series

(written under the pen name Robert Alexander)

• The Kitchen Boy: A Novel of the Last Tsar
• Rasputin's Daughter

Other books

• The Cross and the Sickle (Jan 1984)
• The Red Encounter (Sep 1986)
• Murder Most Artful (Mar 1987)
• Blood Russian (Oct 1987)
• Mindscream (Jul 1989)
• Deadfall in Berlin (Sep 1990)

Two Edgar nominations, two Lambda Literary Awards, and an Anthony nomination.

• Deadfall in Berlin was a 1991 finalist for the Edgar Award for Best Mystery.
• Closet won the 1995 Lambda Literary Award for Gay Mystery.
• Closet was a 1996 finalist for the Anthony Award for Best Paperback.
• Tribe was a 1997 finalist for the Edgar Award for Best Paperback.
• Outburst won the 1998 Lambda Literary Award for Gay Mystery.

• "Best Mystery Novel Edgar Award Winners and Nominees". MysteryNet.com. Retrieved April 2, 2010. 
• Gonzales, Antonio (April 1996). "Lambda Literary Awards 1995". Lambda Literary. Retrieved April 2, 2010. 
• "Bouchercon World Mystery Convention : Anthony Awards Nominees". Bouchercon.info. October 2, 2003. Retrieved April 24, 2012. 
• "Best Paperback Original Mystery Novel Edgar Award Winners and Nominees". MysteryNet.com. Retrieved April 2, 2010. 
• Gonzalez, Antonio (July 1999). "Lambda Literary Awards 1998". Lambda Literary. Retrieved April 2, 2010.