PDF book - Boom and Bust in the Blogosphere looks at successful blogs like TechCrunch, Gawker, Robert Scoble, BoingBoing or Darren Rowse and also analyzes blogs like PVR Wire, Blognation and Know More Media that were popular at one time but no longer exist on the Internet.
Tim O'Reilly, the founder of O'Reilly Media, has written a colored and illustrated PDF book on Twitter called The Twitter Book. The title, available as an ebook and hard cover, promises to teach you everything you need to know to quickly become a Twitter power user.
The blogging guide written by Arianna Huffington provides tips on getting started with blog. Arianna founded The Huffington Post, the most influential Web sites on the web.
If you are assigned the task of capturing computer screenshots and images for your computer related book like a technical manual or a how-to guide book, follow these instructions from Cafepress: You can capture JPG or PNG high resolution screenshot images using any screen capture program like SnagIt or use the Print Screen key on your desktop.
If you are planning to write a book, these useful guidelines about font names and font sizes from CafePress will come handy.