A guide to remembering Japanese characters, Kenneth G. Henshall. Tōkyō. Charles E. Tuttle Company. Rutland, Vermont & Tokyo .
See also: The complete guide to Japanese Kanji: Remembering and understanding the 2,136 standard characters by Christopher Seeley and Kenneth G. Henshall with Jiageng Fan. Tuttle. (printed in Singapore), 2016.
The complete guide is a major update. It uses different item numbers.