Jack Frost Knitting Books (The Yarn People) Volumes 56 & 57 Magazines

Jack Frost Knitting Books, set of 2 booklets, volumes 56 and 57 from 1955 Also included is one whose pages are detached and missing a cover so not sure but think it's volume 40, 1941 based on pictures Very good resource and has some really cool pictures too. Any questions, please ask