KAPROW, Allan. Assemblage, Environments & Happenings.

(New York, NY): Harry N. Abrams, Inc., no date [1966].  First edition.  Hardcover issue.  A seminal work documenting the milieu of performance art and happenings.  The book contains three sections: the prologue “Step Right In” with 113 full page black and white photographs; the essay “Assemblage, Environments & Happenings” by Allan Kaprow; and “42 Happenings” with a selection of scenarios by Nine Japanese of the Gutai Group, Jean-Jacques Lebel, Wolf Vostell, George Brecht, Kenneth Dewey, Milan Knízák, and Allan Kaprow, all illustrated in black and white.  A very good copy in rough burlap binding with the acetate jacket.