4th edition. Revised, expanded and redesigned, this latest edition of the Guggenheim Museum's popular guide to its New York collection is a handy overview of the museum's holdings and a concise primer on twentieth-century art. Organized alphabetically, the book consists of entries on more than 170 of the most important paintings, sculptures, photographs, videos, site-specific installations, and other works in the collection by artists from Marina Abramovic to Maurizio Cattelan to Julie Mehretu to Gilberto Zorio. Also included are definitions of key terms and concepts of modern art, from "Appropriation" to "Nonobjective" to "Postcolonial" and beyond.  The text is by the museum's curators as well as prominent authors and scholars, including Homi Bhabha, Thomas Crow, Nikki Greene, and Jeffrey Schnapp.