A layout of 75 qm (800 square feet) cannot be described in a booklet, so the book on the BAE has 288 p. in big format, is thouroughly illustrated with photographs, diagrams and graphics.
You have difficulties to read German? No problem. On the foot of the publisher's website (see link below) there is a button PDF-Dateien with two page thumbs. Clicking on the right one you'll get the english translation of all legends in the book, actually all of them.
Look up the book on the pubslisher's website