Gibson, G. R.; Forster, J. and Wood. M. J. — First steps in geometry, with, Sets for young children, with, Working with squares, with, Decimal currency for young children, with, Measurement plus teacher's books for each, with, Elementary surveying. 11 books in the mathematical units series.

Evans Brothers Limited, 1969. First Edition. Softcover. 11 clean and tightly bound paperback originals, 8 landscape format, stapled spines, pictorial covers, some have foxing, no inscriptions, appear little used, diagrams in the text. First: 44 and 36 pages. Sets: published 1968 & 1969, 46 & 36 pages. Squares: published 1971, 44 pages per volume. Decimal: 62 pages per volume. Measurement: published 1971, 60 pages per volume. Surveying: published 1970, 58 pages. Good.