# ISBN-10: 0618680004
# ISBN-13: 978-0618680009
prefix 978 is added and last digit is changed
According to isbn.org:
On January 1, 2007, the book industry will begin using 13 digit ISBNs to identify all books in supply chain.
Way too many books getting published. And this way we're getting synced with the rest of the world's numbering system. Oh, wait, there's still the issue of the metric system...