The book is very well built, which is a +! For the rest ... Install CD is paying by phone, code a story to send to a 08 they send you another code then ... What a journey. and think carefully about what computer you install it! the CD installs ONCE! (I made the mistake of changing pc along the way ...), result, over the right to access the CD ... (codes can only be used once) internet service where there are other questionnaires is also a + BUT BEWARE, there, we can not do only ONE TIME each series, no more! for 15 euros, it only remains for me the book, which fortunately is well constructed, the rest is for me a scam strand. shame!