P's and Q's - The Art of Letter Arrangement

A 1923 book on the art of letter arrangement, P's and Q's is a visual approach to typography putting great emphasis on rhythm, balance and tone between individual letters, their shapes and their relationship to the larger text.

This inspirational book by Sallie B. Tannahill, has been scanned and uploaded to here. Many thanks to the owner of www.graphicology.com.