He published his first book, Si loin de nulle part in 1985, took up Mexican citizenship in 1987 and has since published books in both Spanish and French, among which Pensar la muerte and La luz del mundo in 1996, Cyclone (1997), Charité (Flammarion, 2000) and Recouvrance (Flammarion, 2007). He has also published book-length interviews with writers Michel Butor (1990), Annie Ernaux (2003), Hélène Cixous (2005) and Robert Guyon (2006). Jeannet's writings are "well known in avant-garde circles".[3]Charité was described by Les Inrockuptibles, according to 3:AM Magazine, as "[the] season's most interesting read" in 2000.[5]
Jeannet collaborated with artist Melvin Day in 2007 on a series of works based on Stabat Mater.