Author profited off the community of people who provided him with enrichment ideas- then took over that community and sold his pretentious book to that very same community. If you want a better enrichment book, look at Canine Enrichment for the Real World: Making It a Part of Your Dog’s Daily Life by Allie Bender, CDBC, CPDT-KA, SBA, and Emily Strong, CDBC, CPBT-KA, SBA.