"Great Promo Pieces: Create Your Own Brochures, Broadsides, Ads, Flyers, and Newsletters That Get Results" by Herman Holtz is a guide for developing sales and promotional materials, particularly for in-house production when outsourcing is too expensive. It covers various types of copywriting and includes exercises, offering guidance on creating persuasive marketing publications and utilizing desktop publishing. The book includes examples of successful copywriting in advertising, direct mail, and newsletters.