Gideon the Ninth, written by Tamsyn Muir, is a thrilling and darkly humorous gaslamp fantasy novel. Set in a decaying space station called the Ninth House, the story follows the irreverent and sword-wielding Gideon Nav as she reluctantly teams up with the necromancer Harrowhark Nonagesimus to solve a mysterious murder. With its unique blend of science fiction, fantasy, and gothic horror, this book offers a fresh and captivating take on the gaslamp fantasy genre. Prepare for a gripping and witty adventure filled with necromancy, political intrigue, and deadly challenges.