Have you tried googling & conducting some basic research yourself?
Becasue if you have your curiosity should have at least directed you to this site.
And once you're there simply click on the education tab & navigate to the e-book.
The mechanics of binaries really are extremely simple & straightfoward so you won't find it too confusing.
The usual disclaimer should be inserted here of course, affirming that there are other firms also available & you should conduct your own careful due diligence.
If you need to know more just let your fingers do the walking & put your search browser to good use.
Seek & you shall find.