this is an e book and it is horrible. some people can not keep looking at a computer screen and learn from it. You should be able to have a choice in which book you want/need. Pritnted or e card. Read More
Don't waste your money on a brand new edition of this book. I've compared my 7th edition USED copy to brand new 8th edition copies and they are nearly identical. The author basically improved a few ... Read More