Pat is releasing a "warm-ups" book. It´s not yet ready in stores, but you can pre-order it.
http://patmetheny.shop.musictoday.com/Product.aspx?cp=13944&pc=4YAM46
If you buy it, you can write your experience with it here.
PS: I don´t know if this book mania is healthý. One could transcribe his warm-ups that are on youtube. I am however a sucker for books :)