Online Book Preview You are welcome to preview this book online, just as you would in a shop. You can read the outline and sample chapter at any time. You can sign up to read any of the other pages, up to a total of 50 pages for one week.

How it works Click on a title on the left. Blue pages are always available. White pages can be previewed. When you sign up for a preview, you can view up to 50 restricted pages for a week. For copyright reasons, you can only read pages online, and you cannot save, copy or print them. If you have a copy of the book you can unlock the white pages by answering a question such as "What is the 1st word on p.45?"