Complex sentence: He first worked for small literary publisher Marion Boyars before moving to be paperback editorial copywriter and editor for Grafton Books (later subsumed into HarperCollins) and in the mid- 1980s he initiated the Paladin Poetry Series.
Split into simpler sentences: He first worked for small literary publisher Marion Boyars before moving on to be paperback editorial copywriter and editor for Grafton Books (later subsumed into HarperCollins). In the mid- 1980s he initiated the Paladin Poetry Series.