With an introd. by Frank Wells. with an introd. by] Israel Gerver. with an introd. by Viola Meynell. With an introd. by Alfred Kazin. With an introd. by W. T. Stearn. With an introd. by Julian S. Huxley. With an introd. by Nathan M. Newmark. With an introd. by Martin Gardner. With an introd. by Lord Horder. with an introduction by W. B. Yeats.