We didn't mean to go to sea (abridged) paperback 1995/2000
Oxford University Press
This is one of OUP's "Bookworm Stage 4 " series intended to help children to read. Comprehension exercises are included at the end of the book, which is abridged and retold by Ralph Mowat. The illustrations are by Henry Brighouse. 1995 price was £4.50. The edition was revised in 2000 with a cover illustration by David Frankland. Full details of the first edition here.