What books did roald dahl write about Olivia dahl?

Roald Dahl did not write any books specifically about Olivia Dahl.

Olivia Dahl was Roald Dahl's wife, and he often wrote about her in his personal writings and letters, but not in any published novels or children's books.

While he did write some autobiographical works, like "Boy" and "Going Solo," these primarily focused on his own experiences and childhood, not on his wife's life.