A Practical Guide to Designing Grid Systems for the Web. A book by Mark Boulton, published by Five Simple Steps.

Grid systems have been used in print design, architecture and interior design for generations. Now, with the advent of the World Wide Web, the same rules of grid system composition and usage no longer apply. Content is viewed in many ways; from RSS feeds, to email. Content is viewed on many devices; from mobile phones to laptops. Users can manipulate the browser, they can remove content, resize the canvas, resize the typefaces. A designer is no longer in control of this presentation.

Designing Grid Systems for the Web is a practical guide to designing visual information structures for the web.