+ wishlist Author: Spyros Horemis Coloring Books for Adults Visual Illusions Coloring Book (Dover Design Coloring Books) 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 28% 100 - 249 30% 250 - 499 32% 500 - 999 35% 1000+ 38% From $3.09 in bulk Format: Paperback