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 (-5[1])to depict the terraforming efforts of Indigenous people called Fremen (“FREH-men”). Oil (10[1])is analogized to a resource called “spice” in a 1965 novel by this author (-5[1])set on the planet of Arrakis. For 10 points, name this author of Dune. ■END■ (10[1])