Complex sentence: The books are loved by Mathematicians and other TeX-dependent life-forms, and less well appreciated by computer scientists and programmers, as the TeX project was an 8-year diversion to Knuth's multi-volume The Art of Computer Programming.
Split into simpler sentences: The books are loved by Mathematicians and other TeX-dependent life-forms. They are less well appreciated by computer scientists and programmers, as the TeX project was an 8-year diversion to Knuth's multi-volume The Art of Computer Programming.