Buy this book if you want to understand the attitude required to day trade, but don't look in here for a magic system to get rich. One major lesson of the book is that there is value in finding it by yourself, in an almost never ending process.
First, start with a handful of old-as-dirt trading cliches (cut your losses, let your profits run, be confident, etc.). Come up with a bunch of analogies to dress up these old cliches and say them in new ways (for example, 'you can't score touchdowns if you don't have the ball' or 'when you start feeling bulletproof, that's when bullets pierce flesh' etc.). This should cover the first 30 pages or so. Second, find a couple of friends or acquaintances who you can pass off as successful traders (they might not be able to trade their way out of a paper bag, but it doesn't matter because no track records will be posted). Interview these 'traders,' and have them make similar observations. This should get you well past the 100 page mark- maybe even further if you are using nice sized print and putting plenty of space between the paragraphs and bullet points. Third, spice up the visual presentation by occasionally mixing in charts with the text. It doesn't really matter if the charts have anything to do with the stuff you wrote; people just like to look at charts. (You might want to add some technical notes, though, to add credibility.) Then, finally, if you still need more filler to get to the publishable stage, add in a chapter or two of public information- on the different exchanges, lists of different stocks and futures you can trade, details of order entry systems- basically some free info that takes up space.
If you follow this tried and true formula, you too should be able to crank out close to a dozen books on trading. And there will always be a fresh crop of beginners, not yet beat over the head with rehashed trading rules, to rave about how good your books are and what insight they hold.