Retired and living in Georgetown, Texas, he devotes himself to writing, nature, photography, and cycling. His writing interests are speculative fiction for children and adults. He explores several genres, including fantasy adventures, historical fiction, science fiction, steampunk, and social essays. Pirate Peril, The Sorcerer's Invasion, and Worlds in Collision comprise his mid-grade/YA fantasy-adventure trilogy. A two-volume historical fiction novel about the mysterious death of King Tut is soon to be published. A fan-fiction, steampunk Sherlock Holmes Adventure of the Surrogate Queen, is available for free download from his website, www.douglasderrer.com. A long-time member of the Speculative Fiction Writers Cooperative of Bainbridge Island, Washington, he has a short story, "Road Kill," in their anthology Penumbra. He belongs to the San Gabriel Writers League of Texas.