Deadlier Than the Male intrigue when he comes to visit. The title is a reference to the 1911 Rudyard Kipling poem "The Female of the Species," which includes the line, "The female of the species must be deadlier than the male", and also refers to Sapper's earlier Drummond book, "The Female of the Species". The working title of the film was "The Female of the Species". "Deadlier Than the Male", the song featured in the film`s opening credit sequence, was performed by the Walker Brothers. Filmed in Technicolor and Techniscope, portions of the film were shot in Lerici, La Spezia, Liguria, Italy. A sequel,
The Hand That Rocks the Cradle (poem) The Hand That Rocks the Cradle (poem) "The Hand That Rocks the Cradle Is the Hand That Rules the World" is a poem by William Ross Wallace that praises motherhood as the preeminent force for change in the world. The poem was first published in 1865 under the title "What Rules the World". The refrain of the poem is a commonly quoted phrase. In Thailand, the Thai author pennamed "Nam Obb" () wrote her novel by the translation of "Is the hand that rules the world.", Khe Hatta Khrong Pipop in 1994. The title of the poem was spoken in