thank-you for your excessively generous implicit offer to provide, free-of-charge, with a scanner, so that yr hmbl srppnt. might be able to scan magazine - and p/b, and h/cvr, and cd, and lp, and dvd, and audio cassette - covers;
however, this potentially extremely helpful offer does not affect the fact that the publisher's name - john spencer & co. - and the imprint name upon most of (not all of) the issues of this magazine are not what define its identity as a magazine:
it is a periodical (mostly bi-monthly) magazine complete with issue numbers, magazine title, (pseudonymous) editor(s) who just happened to be the (pseudonymous) publishers, the ''john spencer'' of ''john spencer & co., ltd. publishers''.
i have provided elsewhere a (non-exhaustive) list of magazines published in digest format p/b - so being published in this format clearly does not exclude a magazine from being a magazine.
the different - and differently-numbered - issues of this magazines are absolutely not different editions of one single digest format p/b, as they were beginning to be entered in ''bookcat'';
nor are they different editions of a few digest format p/bs by a single author, as some of them were being entered in ''bookcat'', even though the contents of some issues of the magazine do happen to be all by a single author - under various house names and pseudonyms, and perhaps a form of their real name;
as the contents of the different - and differently-numbered - issues of this magazine are different, from one issue to the next, as is typical of different issues of a magazine - and most definitely not characteristic of the various h/cvr & p/b editions and printings of any one novel, nor of any one single-author collection, nor of any one anthology.
digest, mmpb and uk p/b format magazines include - but are by no means limited to:
amazing stories - many issues of, though this was also started off as, and long published as, a bedsheet format pulp magazine;
analog - nearly all issues of, 1960 to present, digest format magazines, though some issues were published 1963-5 as a semi-slick large format magazine; analog started off and was long entitled:
astounding - astounding stories of super science its early title in full, betraying its pulp magazine roots - its later issues were published as digest format magazines from 11/1943 until its title was changed to analog;
authentic science fiction - published by hamilton & co. (stafford) - uk p/b format magazine 1/1951-2/1957, then 3/1957-10/1957 issues digest format magazines;
beyond - early sister magazine to galaxy - all issues digest format magazines;
destinies - the completely new magazine james baen was offered as a sweetener by tom doherty as part of the deal for jim baen to move from his position as editor of galaxy, to help sort out ace books: imprint ace books - all issues mmpb format magazines;
the magazine of fantasy & science fiction - commonly abbreviated to f&sf - all issues digest format magazines;
future - many issues (all from the re-launch in the fifties, iirc) digest format magazines;
galaxy - all but the final issue digest format magazines;
galaxy - british edition, from 1953 through 1962, published by strato publications, again in 1967 by gold star publications, again from 1972 through end of separate british edition - imprint tandem books, so the publisher/imprint including ''book'' or ''books'' in its name does not mean the publication is not a magazine - all issues digest format magazines;
if - all issues digest format magazines;
if - british edition, 1953-4, 1959-62 both published by strato publications, again in 1967 by gold star publications, again 1972-10/1974, imprint tandem books, so the publisher/imprint including ''book'' or ''books'' in its name does not mean the publication is not a magazine - all issues digest format magazines;
imagination - iirc (yr hmbl srppnt. never collected this) - all issues digest format magazines;
impulse (sometimes sf impulse) - all issues uk p/b format magazines;
isaac asimov's science fiction magazine / isaac asimov's magazine of science fiction - all issues digest format magazines;
new worlds - sister magazine to science fantasy - 1949 through 4/1964 all issues digest format magazines, then converted to uk p/b format magazine, many issues through 3/1967, converted to large format (quarto, then a4) magazine, through 4/1970, converted back to uk p/b format magazine, ten issues 1971-1976 primarily as as original anthologies, though also accounted as issues of the magazine; then 1978-1979 as large format (a4?) magazine - yr hmbl srppnt. got lost around then iirc, with the changes in format;
original science fiction - started off without the ''original'' - all issues digest format magazines;
science fantasy - sister magazine to new worlds - started off and many issues digest format magazines, converted to uk p/b format magazine, quite a few issues thus;
venture science fiction - sister magazine to f&sf - all issues digest format magazines;
worlds of fantasy - the sister magazine of galaxy & if, etc. - all issues digest format magazines, twice(!);
worlds of tomorrow - a longer-running sister magazine of galaxy & if, etc. - all issues digest format magazines, also twice(!);