Passenger to Frankfurt
 Passenger to Frankfurt: An Extravanganza is a spy novel by Agatha Christie first published in the United Kingdom by the Collins Crime Club in September 1970 and in the United States by Dodd Mead and Company later in the same year. The UK edition retailed at twenty-five shillings. In preparation for decimalisation on 15 February 1971 it was concurrently priced on the dustjacket at £1.25.