+ wishlist Pre-Order Now Author: Tom Crawford PhD How Many Pikachus Would It Take to Power a Lightbulb?: And Other Adventures at the Frontiers of Fantasy Mathematics [9798217179992] 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 30% 100 - 249 32% 250 - 499 34% 500 - 999 36% 1000+ 38% List Price As Low as $23.00 Format: Paperback