Hansen produced nearly 40 books including mainstream novels, including Backtrack, A Smile in His Lifetime, and Job's Year from the early 1980s reissued in 2025 by ReQueered Tales. His best known work, the Dave Brandstetter series of mystery novels, pioneered the genre for the LGBT community.
"Joseph Hansen has written a brilliant piece. His characters are splendidly fleshed out." - The New York Times Book Review
"In the tradition of Chandler and Hammett, Joseph Hansen writes with gritty fluency of the sordid side of West Coast life." - Washington Post Books
"Hansen's prose is lean: the dialogue relentlessly moves the story along and the novel teems with colorful characters." - Stephen W. Breedlove
"Backtrack is beautifully written with fully-realized (memorable) characters, exquisitely evoked mood, and biting humor." - Drew Brainard