Lest Darkness Fall and Related Stories

Lest Darkness Fall and Related Stories is an anthology of time travel alternate history stories by American writers L. Sprague de Camp, Frederik Pohl, S. M. Stirling and David Drake. It was first published in ebook by Arc Manor under its Phoenix Pick imprint in February 2011, with a trade paperback following in March of the same year and a hardcover edition in October 2017. Arc Manor issued a second edition under its CAEZIK SF & Fantasy imprint in hardcover and ebook in February 2021, under the alternate title Lest Darkness Fall and Timeless Tales Written in Tribute; the new edition added two newly commissioned stories by David Weber and Harry Turtledove.