Rebol - A programmer's guide - Chapter 6 & 7 previews

We have been asked to make the electronic previews of chapters 6 & 7 of Rebol - A programmer's guide available by somebody who bought the first five preview chapters and wanted to get the complete book. We have made them available for a few days for anybody in a similar situation. Chapter 6 can be found at http://www.lulu.com/content/5539550 Chapter 7 can be found at http://www.lulu.com/content/5539556 They will be removed a few days from now. Regards Peter