His most widely praised tutorial, and probably his biggest seller, was the 550-page "Heat: a Mode of Motion" (1863; updated editions until 1880). It was in print for at least 50 years,The UK publisher was Longmans. The US publisher was Appleton. Longmans kept the book in print until sometime after 1908 and Appleton until sometime after 1915. See Worldcat.org. The German publisher, Braunschweig, introduced a renewed German edition in 1894; and the French publisher, Gauthier-Villars, in 1887. In Russian the first edition was in 1864 (ref) and an updated edition came out in Russian in 1888 (ref). and is in print today. Its primary feature is, as James Clerk Maxwell said in 1871, "the doctrines of the science [of heat] are forcibly impressed on the mind by well-chosen illustrative experiments."J. Clerk Maxwell (1871, 1872) Theory of Heat, preface page vi (publisher: Longmans, Green & Co).
