The 2008 novel starring British spy James Bond was Devil May Care, by British journalist Sebastian Faulks.
Ian Fleming wrote the original novels. Since then, Kingsley Amis, John Gardner, Raymond Benson and Sebastian Faulkes have all wrote Bond novels.
The Room on the Roof is a novel written by Ruskin Bond. It was Bond's first literary venture. Bond wrote the novel when he was seventeen and won the John Newbery Award
Ian Fleming's first novel was called casino royale.
1953 when the first James Bond novel, Casino Royale was published.
Casino Royale
The character of James Bond first appeared in the 1953 Ian Fleming novel Casino Royale, which was adapted by Eon Productions into a feature film in 2006.
Chitty Chitty Bang Bang was the flying car from the novel of the same name written by Ian Lancaster Fleming, the creator of James Bond.
Felix Leiter is James Bond CIA contact, he was first introduced in the novel Casino Royale.
Not without explicit permission of the copyright holder. The name 'James Bond' is "owned."
Checking IMDB and googling for James bond roald dahl I find he did write the screenplay for "You Only Live Twice"
American ornithologist James Bond, author of Birds of the West Indies, did not write the screenplays for any children's films. You may be thinking of Ian Fleming, who penned the unrelated James Bond novels, and wrote the novel Chitty-Chitty-Bang-Bang: The Magical Car, which was adapted into a musical film in 1968 by Roald Dahl.