Publisher:Jonathan Cape

Wikipedia Page

Jonathan Cape was founded in 1919 as "Jonathan Page and Company"; the name was changed to "Jonathan Cape" in 1921. Merged with Chatto and Windus in 1969. Became an imprint of Random House in 1987.

ISBN Prefix: 0224.

Cape Travellers' Library seems to be a significant imprint, "Jonathan Cape Children's Books" may be another but that was under-represented here.