[5] Marche is a contributing editor at Esquire, for which he writes a monthly column entitled "A Thousand Words about Our Culture".

An anthology of short stories linked by a common plot element, Shining at the Bottom of the Sea, followed in 2007.

[13] Marche wrote an opinion piece published by The New York Times on August 14, 2015, titled "The Closing of the Canadian Mind.

"[14] In this article he was critical of Stephen Harper, the Prime Minister of Canada, linking him with Rob Ford, former Mayor of Toronto who was involved in a crack cocaine scandal.

Marche wrote an essay published by The New York Times Book Review on February 26, 2023, titled "A Writer's Lament: The Better You Write, the More You Will Fail".