Notebooks, 2nd Edition Ludwig Wittgenstein ISBN: 978-0-631-12499-3 Paperback 240 pages January 1991, Wiley-Blackwell US $40.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.