I expected to find here a more comprehensive book ... In reality, a good part of the book is based on the fundamentals of Python. That said, it is essential to start his first Raspberry card in good conditions. We learn the main controls of Rasbian, how to configure the software to install and what are the prospects for using them.
However, if you are looking for more information about the features of the card, absolutely Tavernier take the second book to complement it, or else follow the various tutorials available on the web.