William Heinemann Ltd. (London, UK)
Series dates: 1933-1939
Size: 7″ x 5″
A modest, numbered series of about 30 titles which seem to consist mostly of Heinemann back catalog titles.
The dust jackets are uniform, all with the same design as on this copy of Serena Blandish (1933).
The front jacket flap has a blurb about the book:
The book price printed on the jacket has been covered by a price increase sticker. The price under the sticker is 3s. 6d. Titles in the series (as of 1938) are included on the back dust jacket cover: