Source: http://www.flickr.com.Photo by Amy Collier. License: All Rights Reserved.

A loose-leaf binder of booklets published from 1956–67. (Another edition of the same design was published in 1974.) This is a complete redesign of the first edition of the binder published in 1955.

Source: http://www.flickr.com.Photo by Amy Collier. License: All Rights Reserved.

Source: http://www.flickr.com.Photo by Amy Collier. License: All Rights Reserved.

Source: http://www.abebooks.com.Photo by You Little Dickens bookseller. License: All Rights Reserved.

Source: http://www.abebooks.com.Photo by You Little Dickens bookseller. License: All Rights Reserved.

Source: http://www.abebooks.com.Photo by You Little Dickens bookseller. License: All Rights Reserved.