Home / The Fire Opal Mechanism The Fire Opal Mechanism Books cover reveals Restoration and Atonement: Revealing Fran Wilde’s The Book of Gems By Tor.com November 1, 2022 Comment number: 0 Books Sleeps With Monsters Sleeps With Monsters: Brief and Complementary Tales By Liz Bourke April 2, 2019 Comment number: 2