In the ninth volume of Mark Twain's collection of 12 volumes 1959-1961 g. g. The books "On the Equator" and "Mysterious Stranger" are presented. In the book "On the equator" the author tells about his journey from the coast of America to Australia, then to India and South Africa. It is a kind of traveler's diary written in artistic form. The story is told in the first person .. The author tells about what he saw, remembered so figuratively, as if the reader himself had been on this distant journey .. For each chapter of his book, the writer presupposes sarcastic and bitter aphorisms from Wilson's New Calendar of Prostophilis. Twain's novella "The Mysterious Stranger" was published posthumously in 1916. In the midst of a witch hunt in an Austrian village, a mysterious stranger appears. He has supernatural powers: he can breathe life or interrupt it, intervene in the line of destiny and change it, make it happy or punish it. Three friends, his confidants, witness biblical events and incidents in other countries. And also watch the inhabitants of their own village and the consequences of the stranger’s interference in their lives. In the "Mysterious Stranger" found the most complete expression of the bitterly pessimistic mood of Twain in the late period of his life and work. Comments A. Startseva . Comments in footnotes K. Antonova ("On the equator") and A. Startseva (Mysterious Stranger) .