Before disciplinary authorities caught up with him five years ago, a now-suspended Manhattan lawyer knew all the ways — ethical and unethical — of getting big fees. He overcharged clients, would not provide accountings of his expenses, argued over rates and refused to return retainers.

But after his 1994 suspension, this attorney — who requested anonymity because the Appellate Division is considering his reinstatement — has used his firsthand knowledge to work as an uncredited co-author of Avoiding Grief With a Lawyer, a guide published by the New York Lawyers’ Fund For Client Protection.