The Book of Adverting Tests:a group of articles that actually say something about advertising

This rare book with timeless advertising principles is a must for anyone interested in getting better results for their marketing dollars. This is a series of articles which go straight to the bottom line, is your advertising producing financial results or just taking up space? This book predates 1923, and there might be some flaws in the text, but we have made every attempt to keep them at a minimum.