+ wishlist Add to Cart The item has been added Author: Michael C. Frank Mika Braginsky Daniel Yurovsky Virginia A. Marchman Variability and Consistency in Early Language Learning: The Wordbank Project [9780262045100] 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 - 49 4% 50 - 99 5% 100+ 6% List Price As Low as $75.00 Format: Hardcover