Re-worked book cover for Leigh Brackett's "The Long Tomorrow".
"The Long Tomorrow is a science fiction novel by American writer Leigh Brackett, originally published by Doubleday & Company, Inc in 1955. Set in the aftermath of a nuclear war, it portrays a world where scientific knowledge is feared and restricted."
https://www.amazon.co.uk/dp/B00I9GXOY6/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1