Last Call for Sector 9G is a science fiction novella by Leigh Brackett.

Out there in the green star system; far beyond the confining grip of the Federation, moved the feared Bitter Star, for a thousand frigid years the dark and sinister manipulator of war-weary planets.

Last Call for Sector 9G was first published in Planet Stories in 1955. E-book: ePUB, 21,000 words, reading time approximately 1 hour and 45 min. 

Leigh Douglass Brackett (1915-1978) was an American author, particularly of science fiction, and has been referred to as the Queen of Space Opera. She was also a screenwriter, known for her work on such films as The Big Sleep (1946), Rio Bravo (1959) and The Long Goodbye (1973). She was the first woman shortlisted for the Hugo Award.