The book "80/20 Sales and Marketing" by Perry Marshall offers a comprehensive analysis of the principles of the Pareto Principle, which states that 80% of results come from 20% of efforts. In this professional book, published in 2013, it explains how these insights can be applied to sales and marketing strategies to work more efficiently while increasing revenue. With a length of 240 pages and a convenient paperback format, it is suitable for both professionals and those interested in business and marketing. The English-language publication addresses key marketing topics and provides practical tips for optimizing sales processes. The book measures 154 mm in width and 20 mm in height, making it a practical companion for everyday use. Weighing 346 grams, it is easy to carry and ideal for study or practical application.