H. N. Turteltaub is a pseudonym used by the American author Harry Turtledove, known for his works in the science fiction and alternate history genres. He has written numerous novels and short stories, often exploring themes of history, culture, and the impact of technology on society. Turteltaub's writing is characterized by its detailed world-building and complex characters. Under the Turteltaub name, he has also authored historical fiction, including the popular Turteltaub series, which delves into ancient civilizations and their interactions. His ability to blend factual history with imaginative storytelling has garnered him a dedicated readership and critical acclaim.