The Rose and the Yew Tree is a tragedy novel written by Agatha Christie and first published in the UK by William Heinemann Ltd in November 1948 and in the US by Farrar & Rinehart later in the same year. It is the fourth of six novels Christie published under the pen name Mary Westmacott, and the last of the Westmacott novels to be published before true identity of their author was publicly revealed in 1949.