George O. Smith is remembered best in science fiction history for his classic Venus Equilateral, but this book collects ten of his other works from 1946-'67, including a novella, three short stories, half-a-dozen novelettes, with really amusing and interesting introductions and commentary about each one and autobiographical minutiae about the author at the time of writing. Smith was an electrical engineer who focused on hard-science technical/puzzle problems for his plots, so it's true science fiction but also suffers from the male-dominance of the fields of the time. A couple of the stories were published in Thrilling Wonder Stories magazine, and one each are from If and Galaxy, but all of the rest debuted in John Campbell's Astounding Stories. Of special note is Smith's radio script adaptation of Meddler's Moon that accompanies that novelette from a 1947 issue of Astounding; the dramatization was first aired by WOR in April of 1958. Also, the story Understanding includes a revised ending which was requested by editors Campbell and Frederik Pohl that was lost in the production offices for many years. Smith died before the book was published, but Pohl kept his humorous commentary intact and it's a fine historical read.