ICMA publishes its first training book, The American City and Its Government, which was edited by then-Assistant Director Orin Nolting and ICMA staff member Herb Simon. Despite its black cover, the book became the first title in ICMA's authoritative
Municipal Management ("Green Book") series. The Green Books (the cover color later changed) was intended to introduce city managers, most of whom were engineers, to the basics of federalism, state-local relations, and other facets of local government.
The series begins as a collection of eight titles published between 1935 and 1941 that cover general management, finance, personnel, planning, police, fire, public works, and recreation. The series is developed for use as part of the correspondence courses
offered by the institute.