this one, though this one here also has some awesome art for Hammer Fans. A word of warning: Some of these may not be quite work safe.
Most of them are available for sale as prints so if you ever feel like showing your appreciation to this humble blogger, you know what to do.
Mystérieuses civilisations dans les entrailles de la terre - Michel Siffre. Connaissance de l'étrange. Alain Lefeuvre. 1979. Filo Loco
4 hours ago