Richard Maibaum episode "The Medal" for "Combat!" (1963) then wrote "From Russia with Love" (1963), sharing credit with Harwood. Maibaum worked on "Goldfinger" (1964), on which Paul Dehn also did work. He was one of several writers on "Thunderball" (1965). "You Only Live Twice" (1967) was the first Bond film on which Maibaum was not credited as a writer, the producers using Roald Dahl. Albert Broccoli wanted to produce a non-Bond movie, "Chitty Chitty Bang Bang" (1968) and Maibaum did some work on the script. Maibum received sole script credit for "On Her Majesty's Secret Service" (1969), starring George Lazenby. He did
Chitty-Chitty-Bang-Bang to read and suggested that he took the time to write up the bedtime story that Fleming used to tell his son Caspar each evening. Fleming attacked the project with gusto and wrote to his publisher, Michael Howard of Jonathan Cape, joking that "There is not a moment, even on the edge of the tomb, when I am not slaving for you". Fleming did not live to see "Chitty-Chitty-Bang-Bang" published: he suffered a further heart attack on 11 August 1964 and died in the early morning of the following day—his son Caspar's twelfth birthday—in Canterbury, Kent. The book was published