The series is comprised of facsimiles of existing notebooks, commissioned essays, collaborations, and conversations. The notebooks appear in three different formats (A6, A5, B5) and range from 16 to 48 pages in length. Contributors hail from diverse fields – art, science, philosophy, psychology, anthropology, political theory, literature, and poetry.

The third round of notebook authors include Ida Applebroog, Walter Benjamin and Nikola Doll, Jill Bennett, George Chan and Fernando García-Dory, Carolyn Christov-Bakargiev, Salvador Dalí and Ignacio Vidal-Folch, Dietmar Dath, Jimmie Durham, Nawal El Saadawi, Matias Faldbakken, Édouard Glissant and Hans Ulrich Obrist, Avery F. Gordon, Boris Groys, Daniel Heller-Roazen, Sonallah Ibrahim, David Link and Geoff Cox, Ada Lovelace and Joasia Krysa, Stephen Muecke, Ingo Niermann and Chus Martínez, Ana Prvacki and Irina Aristarkhova, Andrew Ross, and Enrique Vila-Matas on Thomas Mann and Theodor W. Adorno.