AMACOM books: Idea to Invention

• http://shop.oreilly.com/product/9780814432938.do
• http://www.amacombooks.org/book.cfm?isbn=9780814432938

Amazon Germany sells the Kindle edition for EUR 7.86, o’Reilly USA sells the e-book for USD 14.95 – that’s a difference, isn’t it?!!