i've also seen & held two or three of the doubleday h/cvr first editions, but didn't record which, let alone the vital statisticia of these, and i don't yet know the contents of ''fear and courage'', the 2015 anthology.
omnibus editions:
omnibus of #1, #03, #2:
#O1: ''sime~gen: the unity trilogy'' #1 jacqueline lichtenberg, #03 jean lorrah, #2 by both (2003), q.v.
announced but unpublished omnibus editions:
to have been of #6, #5, & ''best of fools'' (novelette), which appeared in #C:
scheduled for publication in 2005 but did not appear;
#O2: ''sime~gen: to kiss or to kill''
to have been of #3, #4, #5:
#O3: ''digen farris ambrov zeor'' (title may've been provisional) (not known to've been scheduled)
meisha merlin, the publisher, ceased trading completely in 2007
there was then a brief hiatus in the publishing - and perhaps in the authors' writing - schedule(s):
#6: ''personal recognizance'' jacqueline lichtenberg (2011), q.v.
#7: ''to kiss or to kill'' jean lorrah (2011), q.v.
#8: ''the farris channel'' jacqueline lichtenberg (2011), q.v.
#6 published in a ''double'' with:
#C: ''the story untold: and other sime-gen stories'' jean lorrah (2011), q.v.
original anthology:
#A: ''fear and courage: fourteen writers explore sime-gen'' eds. zoe farris, karen l. macleod (2015), q.v.
there are two more later titles which seem to be sime~gen-related, but which yr hmbl srppnt.'s never seen - and about which, knows next-to-nothing:
clear springs chronicles trilogy:
CS#1: ''a change of tactics'' jacqueline lichtenberg, jean lorrah, mary lou mendum (2017), q.v.
CS#2: ''a shift of means'' jacqueline lichtenberg, jean lorrah, mary lou mendum (2019), q.v.
CS#3: (naught yet known)
possibly as-yet uncollected sime~gen stories°:
by jacqueline lichtenberg:
''operation high time'' (novelette) if vol.19 #1, 1/1969
''the channel's exemption'' (novelette) galileo #4, 7/1977, with illustration by stephen fabian
° - i don't - yet - know the contents of ''fear and courage'', the anthology published in 2015
berkley publishing group berkley books imprint mmpb first printing, not first mmpb edition
cover art by paul alexander (signed, now on spine; retained from playboy press first mmpb edition)
cover price ($3.75 canada) • $2.95 u.s.
376pp. (check) including titles, indicia etc, end pp. advertising (this comment is from another edition of this book)