This collection brings together all four of weird-smut pioneer Justine Geoffrey's acclaimed Blackstone Erotica books: Red Monolith Frenzy, Green Fever Dream, Summonings: Anicka & Kamil, and Summonings: Yvette's Interview. Follow a novice Priestess of the Black Stone as she calls up prehistoric sex gods in the mountains of Eastern Europe, gathers power and partners in the glitzy dungeons of London's BDSM scene, and mates with monsters in subterranean chambers of lust and horror! Learn the backstory of her friends, lovers, and incredibly dangerous enemies. This volume also contains excerpts from Blackstone Book 3, Yellow Sign Bound, and the sci-fi gonzo-erotica Orgy in the Valley of the Lust Larvae. Prepare yourself for transgressive, bizarre sexuality, night-black humour, and cosmic horror! Open yourself to the perverted supernatural world of Justine Geoffrey!