http://www.gutenberg.org/ebooks/author/3741Why are there NO O. Douglas audiobooks in existence? Not even from @librivox? Granted, most of her stuff isn't public domain quite yet, but the earliest few are ripe for the picking!
https://en.wikipedia.org/wiki/O._Douglas#Bibliography
She was the younger sister of author John Buchan.
"gently humorous domestic dramas with little if any reference to political events or social change."
"In her obituary, The Scotsman noted: 'It has been objected that the people of her books are too "pleasant," but, at a time when fiction was passing through an ultra-realistic phase, this pleasantness was a relief to many readers.'"