Formerly titled Unmarketing, now titled UNTHINKING.From bestselling author and marketing guru Harry Beckwith, a guide to deciphering what it takes to motivate customers to choose your products over the rest. Why do low-income families consistently prefer more expensive food products? What's the major reason we return products today, and what does that tell us about what we really want in our lives? International trade paperback. 8 CD Audio Set.