What it should mean is that a publishing company thought enough of the author's book(s) to have them printed and distributed, but it doesn't guarantee they were actually stocked in many bookstores. With self-published and tiny-volume print-on-demand books, there is an opportunity for "published writer" to be used misleadingly, though I'm not for a moment suggesting this applies to the person you are quoting.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Mr WordyWhat it should mean is that a publishing company thought enough of the author's book(s) to have them printed and distributed, but it doesn't guarantee they were actually stocked in many bookstores.
NewguestBut I think when somebody's saying that he's a published writer it means he/she writes books available for the readers, in other words they're published by someone.That's right.
Grammar GeekThey can also be published in magazines as the author of articles there.Oh yeah, that's a good point...