Three women in every James Bond film? Roald Dahl says so.

Several articles describe how it happened that famous children’s book author Roald Dahl came to write the screenplay for the fifth James Bond film You Only Live Twice. Many of these articles have a passage about a formula set forth by the producers, such as in this quote:

Screendump of article in Vulture about how Roald Dahl wrote You Only Live Twice.
One of the articles that describe the Dahl formula.

“Dahl wrote his adaptation according to a formula he was given by the producers: You include…