The Big Sleep (1939) is a hardboiled crime novel by American-British writer Raymond Chandler, the first to feature the detective Philip Marlowe. It has been adapted for film twice, in 1946 and again in 1978. The story is set in Los Angeles.

Farewell, My Lovely is a novel by Raymond Chandler, published in 1940, the second novel he wrote featuring the Los Angeles private eye Philip Marlowe. It was adapted for the screen three times and was also adapted for the stage and radio.