All the Birds in the Sky

All the Birds in the Sky is a 2016 science fantasy novel by American writer and editor Charlie Jane Anders. It is her debut speculative fiction novel and was first published in January 2016 in the United States by Tor Books. The book is about a witch and a techno-geek, their troubled relationship, and their attempts to save the world from disaster. The publisher described the work as "blending literary fantasy and science fiction".

The novel was generally well received by critics. It won the 2017 Nebula Award for Best Novel, the 2017 IAFA William L. Crawford Fantasy Award, and the 2017 Locus Award for Best Fantasy Novel; it was also nominated for the 2017 Hugo Award for Best Novel. Time magazine placed it No. 5 on its "Top 10 Novels" of 2016, and selected it as one of its "100 Best Fantasy Books of All Time".