This is a great way for you to sit and map out your ideas for that next great website you want to build. The thought behind this book was 'I'm sitting there in the cafe with my client and we're writing down the pertinent information into the book.'
You're able to sketch out a rough idea of what you'd like for the site to look like as well on the right-hand page. The columns are divided up into 12 for you to get your blocking just right.
The page is tall enough for you to get one whole page down or break it up into a few.