[4] Several of his articles for the magazine were expanded into books, including Funny Money, his account of the collapse of the Penn Square Bank of Oklahoma City; and Citizen K: The Deeply Weird American Journey of Brett Kimberlin.
[5] Both Funny Money and Citizen K were praised by The New York Times, with reviewer Ben Yagoda comparing Singer to Joseph Mitchell.
"[18] In response to the review in the Times, Trump wrote a letter to the editor, in which he called Singer a "loser" who "was not born with great writing ability.
"[22] In the Guardian, Hari Kunzru called it, "a viciously entertaining demolition of the branding savant with the peach pompadour.
"[23] In July 2017, Singer wrote a web column about efforts by the 115th United States Congress to repeal the Patient Protection and Affordable Care Act, including thoughts on his own history of treatment for autoimmune disease.