Macnab, C. S. — Fortran, with, Extended fortran (2 books).

Glasgow: Blackie and Son Limited, 1974. First Edition. Softcover. 2 clean and tightly bound paperbacks. Fortran: no inscriptions, spine uncreased, some foxing to covers otherwise appears little used. viii + 214 pages, appendices, answers, index. Extended: a student edition published by ICL, 1974 reprint. Name on half title page, some lines in margins. xiv + 92 pages, appendices, index. Good.