Death in the Air

Death in the Clouds is a work of detective fiction by British writer Agatha Christie, first published in the US by Dodd, Mead and Company on 10 March 1935 under the title of Death in the Air and in the UK by the Collins Crime Club in the July of the same year under Christie's original title. The US edition retailed at $2.00 and the UK edition at seven shillings and sixpence (7/6).

A book Lady Katherine was reading on her train trip west, a letter was found inside indicating she may be a member of royalty or gentry and go by other names such as Katherine Durrieux or Mrs. Katherine Cambridge. Was the book and/or the letter meant to seen by our adventuring heroes? Was this a foreshadow to the incident aboard the trans-Pacific airboat in Adventure #02 Flying the China Clipper?