Mike Halsey is a Microsoft MVP who - among other things - contributes to a wonderful tech site called gHacks.com
Halsy is also the author of a very useful eBook titled, "Windows 7 Power Users Guide"
Originally, the book was available for download by purchasing it - however today Mike Halsy has decided to make it available for free. The book covers a wide range of topics - such as how to install, setup and get started - all the way to some very useful tips, tricks and "hidden secrets".
Anybody who may be interested can learn more about the book, as well as access the free download link, via the gHacks website, where Mike Halsey makes the offer:
Hope some people find this useful.