I have this book and I liked it as well.
I bought it at the same time I bought Naomi Aldorts 'Raising Our Children, Raising Ourselves'. Both books are along the same lines and to me, very 'consensual living' type of books. Both books give loads of good examples and ideas. A great help when you are stuck and need encouragment!
One thing I did find, is that I did not find this as easy to read as Aldorts book. I think this is just how my brain is wired. Aldorts book was written by a woman and P.E.T by a man! lol It took a few reads of P.E.T. for me to be comfortable with the way it was written.
However - it is very well written. It is also the kind of book I think suitable to take in at little gasps at a time. Perhaps in the bath or something? Aldorts book had me thinking more deeply and I think I had to read that in order. With P.E.T, I could pick up and start anywhere in the book. I also really like how it explains the damage that praise/rewards and threats/punishments can have on our children in the long run - not to be fooled by its immediate 'obidience' affect it has on our children and why it could have that affect (and how thats not really a great thing). Aldorts book didn't really explain that - I loved her book, but it just sorta started from the asumption that you already knew that, which is why you had this book (which was me, so that was fine! lol). I guess P.E.T was written in a more 'mainstream' kinda way. So perhaps its the kind of book thats likely to reach more audiences. ? Perhaps suitable for all the family...accidentally leave it at Grandmas house hehe.