Yoko Ono is an established avant-garde artist whose work spans installation, object, film, photography, and music. Named after her renowned exhibition "Half a Wind" at London's Lisson gallery in 1967, this volume features Ono's most important works. It also includes photographs of Ono surrounded by her art, either as creator or participant, as well as her billboards, "instructions," letters, invitations to her performances, and exhibition posters. Paying special tribute to her work from the sixties and seventies, this reveals Ono's influence on the avant-garde art movement - from Fluxus to performance art, and highlights her tireless efforts on behalf of world peace.