Book 3. 95p.- Key to Introductory book & Bk. 1.66p.- Key to Bks. 2 & 3. 84p.
Exercises in good English. Book 3, and Key to Introductory book and Books 1-3 by Denis Wilfred Barker. Published by Macmillan in 1953. Publication and catalogue information, links to buy online and reader comments.