`It is a pleasure to read. Well-written, free of cant, impressively wide-ranging. The book is really an introduction to the avant-garde.' - John Lahr`Students and theatre buffs discontented with theatre as mere entertainment will find stimulation and excitement ... The author is not only knowledgeable but extraordinarily perceptive in his wide-ranging survey of the most challenging theatrical movements of our century.' - Publishers' Weekly`This is one of the most succinct and readable works on avant-garde movements in theatre I have ever seen. Each director and movement is regarded in the light of the author's critical standards, the standards of a practical man of the theatre and a thinker as well.' - Library Journal`The book is committed and erudite, cross-referring to the other arts, which, at least until drama broke away from the straightjacket of literature, usually preceded the theatre in avant-garde developments.' - Sunday Times`It is clear, all-embracing and ... often enriching and stimulating.' - The Tablet`A book which will repay constant re-reading by anyone seriously concerned with the art and practice of the theatre whether as student or practitioner.' - Amateur Stage`No one interested in the development of the modern stage should miss this excellent book by the founder of the Hampstead Theatre.' - Rene Elvin, The Stage