The MIT Press Essential Knowledge is a 62-book series with 62 released primary works first released in 2011 with contributions by James W. Cortada, Felipe Larraín B., John Palfrey, Fredric Raichlen, Paul E. Ceruzzi, Limor Shifman, Nils J. Nilsson, Zoltan Torey, Margaret Cuonzo, Ansgar Allen and 57 others.