The undiscovered country; a sequence of spirit-messages describing death and the after-world,
selected from published and unpublished automatic writings, 1874-1918, ed. by Harold Bayley, with an introduction by Sir Arthur Conan Doyle.
- London [etc.] Cassell and Co., Ltd., 1918.
- xxi, [1], 270 p. 20 cm.
List of published works from which the quotations have been drawn: p. vi-viii.