With his wife and fellow New Yorker cartoonist, Liza Donnelly, he co-edited one collection of drawings and co-authored three collections, including Cartoon Marriage: Adventures in Love and Matrimony by The New Yorker's Cartooning Couple.

[1] His work has appeared in numerous publications including Harper’s Magazine, The New York Times, Mother Jones, TIME, The Saturday Evening Post, Utne Reader, Harvard Business Review, The Southampton Review, and Narrative Magazine.

[3] Maslin’s book Cartoon Marriage: Adventures in Love and Matrimony by The New Yorker's Cartooning Couple, written with his wife, Liza Donnelly, was optioned by Jennifer Garner's production company, Vandalia Films.

[4][5][6] In 2009 he began Ink Spill, a website devoted to New Yorker cartoonists news and history.

[8][9][10] Maslin and Donnelly were the subjects of a CBS Sunday Morning segment, “Drawn Together”, which aired February 15, 2009.