A Practical Guide to Knitting and Crochet
70 pages.

Has neither edition number nor date.

Assumed to be the 12th edition (the price marked is 8d or 9d - the 13th cost 9d, and earlier editions either 6d or 7d).

Probably published before 1939 (uses more paper than the 13th edition).

Publication date approximate based on evidence above.

Pamphlet published in 1938