This author modified a Quranic term for revelations called “amthal” for a concept of limit testing. Lesley Blanch’s book The Sabres of Paradise inspired this author’s usage of Caucasian customs such as a double-bladed knife called a kindjal. Car repair manual company Chilton Books published this author, who named a fictional event after “Darwin Among the Machines” author Samuel (*) Butler. This author created a series of creatures after watching maggots eat away at psychedelic mushrooms. This author was inspired by environmental stabilization projects in an Oregon national park to depict the terraforming efforts of Indigenous people called Fremen (10[1])(“FREH-men”). Oil is analogized to a resource called “spice” in a 1965 novel (10[1])by this author set on the planet of Arrakis. For 10 points, name this author of Dune. ■END■