Nothing: A User's Manual
noth-ing '(nŭth'ĭng), n. 1. not anything; naught. 2. no part, share, or trace. 3. that which is nonexistent. 4. a trivial action, matter, circumstance, thing, or remark. 5. an unimportant person. 6. a cipher or naught.
An introductory essay and bibliography of further reading is available here: Nothing: A User's Manual.