+ wishlist The Challenger Customer: Selling to the Hidden Influencer Who Can Multiply Your Results [9781591848158] Add to Cart The item has been added Author: Brent Adamson Matthew Dixon Pat Spenner Nick Toman The Challenger Customer: Selling to the Hidden Influencer Who Can Multiply Your Results [9781591848158] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 99 38% 100 - 249 42% 250 - 499 46% 500 - 999 48% 1000+ 50% List Price As Low as $31.00 Format: Hardcover