First printed, 8vo., September 1880; Reprinted November 1880, December 1880.
New and Cheaper Edition, crown 8vo., April 1881; Reprinted March 1884, November 1886, July 1889, March 1894.
'SILVER LIBRARY' Edition, July 1899; Reprinted May 1901; Reprinted, with Appendix, April 1908; May 1911.