I've read HTML and CSS books before, but this is my first one on PHP/MySQL.
I spent a half-hour to an hour each night going through this book, working the exercises, and understand the more basic things like includes. Things like working with a database and having a form send an email are a little more challenging for me right now.
But it occurred to me that the best way to use this book is not to try to learn each lesson on its own, but to work on a PHP project and then come back to this as a guide when you need it.
So this book will be on my shelf while I work on my first PHP based site.