"All the aspects of Horsley's strenuous life are depicted with the writer's accustomed sympathy and skill. Mr. Paget has given us a study of absorbing interest.... We are never allowed to lose sight of the restless energy and indomitable courage that characterised all that Horsley undertook."--_British Medical Journal._ "No biographer who agreed with Horsley could have given us anything so valuable, so convincing, so vitally defined.... Mr. Paget has never had an equal as a medical biographer, and here he has excelled himself."--_The Observer._ LIFE AND LETTERS OF JOSEPH BLACK, M.D. By Sir WILLIAM RAMSAY, K.C.B., LL.D., F.R.S., etc. Introduction by F. G. DONNAN, F.R.S. Demy 8vo. Frontispiece Portrait and Illustrations. 6s. 6d. net. ROBERT BOYLE: A Biography. By FLORA MASSON. Frontispiece. Demy 8vo. 7s. 6d. net. "May be recommended as an excellent study of the great Irishman to whose services as natural philosopher and chemist even modern scientists owe a debt of gratitude."--_Pall Mall Gazette._ PUBLISHED BY CONSTABLE & COMPANY LTD. 10-12 ORANGE STREET LONDON W.C.2. Biography & Reminiscence Military Political Social Literary Scientific & General Published by Constable & Co. Ltd. 10-12 Orange St. London W.C.2 I. Military Biographies, Autobiographies and Reminiscences. FIRST WORLD WAR, 1914-1918. By Lieut.-Col. CHARLES À COURT REPINGTON, C.M.G. Demy 8vo. 2 vols. 42s. net. "Few if any two-guinea books have had such a sale as the _First World War_."--_Evening Standard._ "Colonel Repington's fame as a military critic is world-wide. He now gives us his personal experiences of the war in the form of a Diary which will compare with the most famous diaries in literature.... Few diarists show keener observation or greater power of description than Colonel Repington here displays, and none before has had such a period of history for his theme."--Major-General Sir FREDERICK MAURICE in _The Daily News_. "... There are countless piquant little pen pictures through these two books.... Colonel Repington met all the great soldiers of the Allies.... The book is full of extraordinarily good stories and remarks."--_Sunday Times._ EXPERIENCES OF A DUG-OUT. By Major-General Sir C. E. CALLWELL, K.C.B.