Ace Books, 1967, mass market paperback. #A-10 on cover indicates first edition (reprinted in 1970 as "World's Best Science Fiction: Third Series "). The "New Wave" era lifts off in this collection: "We Can Remember It for You Wholesale" (1966) by Philip K. Dick; "Light of Other Days" [Slow Glass] (1966) by Bob Shaw; "The Keys to December" (1966) by Roger Zelazny; "Nine Hundred Grandmothers" (1966) by R. A. Lafferty; "Behold the Man" (1966) by Michael Moorcock; "Bumberboom" (1966) by Avram Davidson; "Day Million" (1966) by Frederik Pohl; "Amen and Out" (1966) by Brian W. Aldiss; "For a Breath I Tarry" (1966) by Roger Zelazny, plus stories by A. A. Walde, Paul Ash, and Dannie Plachta. NOTE: All copies of this book will have age-toned pages.