first in this annual best science fiction stories of the year series originated by publishers e. p. dutton
the series ran from 1972 (of stories originally published in 1971)
changing editor to gardner dozois, q.v. in 1977 with
the sixth collection (of stories originally published in 1976-1977),
through 1981 (of stories originally published in 1979-1980)
gardner dozois re-started the series - or started up a new series - originated by bluejay books in 1984:
this series ran through 2018, changing publishers to the parent, st. martins press, after the third annual collection (1986), with the collapse of bluejay books.
from st. martins press's taking over of the series, a uk edition was published by robinson publishing under their mammoth books imprint (or possibly in the robinson's books mammoth books series), retitled:
"best new sf" (uk 1987) (of the "... fourth annual collection" (us 1987), through
"best new sf 7" (uk 1993) (of the "... tenth annual collection" (us 1993), qq.v.)
alternate possibilities (nf introduction) lester del rey
the sliced-crosswise only-on-tuesday world (short story) philip josé farmer (''new dimensions 1'' ed. robert silverberg (1971))
good news from the vatican (ss) robert silverberg (''universe 1'' ed. terry carr (1971))
i'll be waiting for you when the swimming pool is empty (ss) james tiptree, jr. (''protostar's'' eds. david gerrold, stephen goldin (1971))
the power of the sentence (ss) david m. locke (f&sf vol.40 #4, 4/1971)
the wicked flee (ss) harry harrison (''new dimensions 1'' ed. robert silverberg (1971))
when you hear the tone (ss) thomas n. scortia (galaxy vol.31 #2, 1/1971)
occam's scalpel (novelette) theodore sturgeon (if vol.20 #12, 7-8/1971, a b+w illustration by jack gaughan)
hot potato (ss) burt k. filer (''the many worlds of science fiction'' ed. ben bova (1971))
the human operators (ntte) harlan ellison, a. e. van vogt (f&sf vol.40 #1, 1/1971, cover story, art by vaughn bodé))
autumntime (ss) a. lentini (galaxy vol.32 #3, 11-12/1971, with a b+w illustration by jack gaughan)
a little knowledge (ntte) poul anderson (analog vol. lxvii #6, 8/1971) (technic history series)
to make a new neanderthal (ss) w. macfarlane (analog vol. lxxxviii #1, 9/1971)
the man underneath (ss) r. a. lafferty (if vol.20 #9, 1-2/1971)
ornithanthropus (ss) b. alan burhoe (if vol.21 #2, 11-12/1971)
rammer (ntte) larry niven (galaxy vol.32 #3, 11-12/1971) (the state/leshy circuit series)
the science fiction yearbook (nf review of sf in 1971) lester del rey
charter communications ace books imprint mmpb first printing, first p/b edition
reprint anthology of eleven short stories & four novelettes, nf introduction, annual review by lester del rey
cover art unsigned, uncredited (seen suggested to possibly be by don ivan punchatz)
cover price $1.25
288pp. (check) including titles, indicia etc, end pp. advertising
bears number-string 441-05475-125 on spine, but n.b. this is not an sbn nor an isbn of any kind
uk & commonwealth (presumably excluding canada) rights to cover art sold to macdonald futura and used on second and subsequent p/b printings, and on the compton russell h/cvr edition of ''protector'' larry niven (1976), q.v.