Vintage set of grammar and word division books

Vintage set of grammar and word division books: A pocket guide to correct grammar, second edition, Barrons, educational series, copyright, 1990, 175 pages, all the pages are intact, but the paperback cover is a little bit creased. 20,000 words, spelled N divided for a quick reference, seventh edition, hardcover, Greg, division of McGraw-Hill, book company, copyright, 1977, 250 pages, and in good condition for its age. (3539)