American dancer, teacher (1930-1988), producer, choreographer and co-founder of the Joffrey Ballet. 

Signed book "Dance World:1966", volume 1, authored by John Willis, Crown Publishers, New York, 1966, signed and inscribed by Joffrey on the frontend page. A total of 224 numbered pages, full of illustrations, hard covers, dust jacket, 6.5 x 9.2 inches, in very good condition.