I just recently acquired this book I just started this educational method with my puppy and this book is for me a great help. the author explains very well this educational method, it gives us different methods like for sitting (without distraction with distraction while driving) .it does not just give him sitting up in bed, but it also gives methods for the half turn, bring a suitcase full of small ... very colorful and very well explain tricks with different levels of difficulty! I strongly advice this book to all beginners of education with the clicker.