Champion of the Main by W.E.Johns, first edition.

This has a palm tree and boat on spine. It is a hard-cover with no dust-wrapper. It was published by the  Oxford University Press in 1938. There is a previous owner's name on the  verso of the  free-front page and on the  half-title page. There is a small book-shop sticker on the  front paste-down  There is foxing to the  text block edges and early pages, but minimal through most of the book. The cover is slightly soiled  but otherwise a tight book in very good condition.