Smart answer:

Your search for Who wrote Less Than Zero returned the following results:

Bret Easton Ellis

The Elder Statesman’s founder Creg Chait cited Less Than Zero (the novel by Bret Easton Ellis) for a collection that's full of faintly retro-Cali vibe.

the fierce American PsychoBret Easton Ellis

Less Than Zero, published when he was still a college student--to his most recent--the fierce American PsychoBret Easton Ellis has been a powerful and original presence in contemporary literature, whether giving voice to a previously inchoate generation or provoking a controversy that raged throughout the culture.