Which do you prefer? (Quick answers–we’ll do more detail at some later date)

Reading something frivolous? Or something serious?
frivolous
Paperbacks? Or hardcovers?
paperbacks, they’re cheaper!
Fiction? Or Nonfiction?
both
Poetry? Or Prose?
poetry
Biographies? Or Autobiographies?
biographies
History? Or Historical Fiction?
historical fiction
Series? Or Stand-alones?
stand-alones. actually both…
Classics? Or best-sellers?
best-sellers
Lurid, fruity prose? Or straight-forward, basic prose?
no idea
Plots? Or Stream-of-Consciousness?
plots
Long books? Or Short?
long (or medium)
Illustrated? Or Non-illustrated?
non-illustrated
Borrowed? Or Owned?
owned
New? Or Used?
Both, preferably new