Doyle, Arthur Conan, Sir, 1859-1930. The sign of four : a Sherlock Holmes mystery / Sir Arthur Conan Doyle ; retold by Anne Collins. - Oxford : Heinemann International, 1992. - 63 p. ; 20 cm. - Heinemann guided readers : intermediate level . ISBN: 0435272411 Subjects--Topical Terms: Holmes, Sherlock (Fictitious character)--Fiction. Dewey Class. No.: 823.8 / DOY 1992