188 pp. full score, folio. A black mark and some wear to to wraps. A small flap loose at base of spine, pages bright and unmarked. B & H 19836 Boosey & Hawkes, [c. 1970]. Antokoletz 63. Sz 112. Transcribed from the sonata for two pianos and percussion in 1940. First published by Boosey in 1970. First performed on January 21, 1943 by Bela and Ditta Bartok and the New York Philharmonic (Reiner). First thus of this arrangement.