Theres a book coming out by valve on Tutorials on mapping, modding, etc Css/Hl2. They dont no when the book is coming out but im sure going to buy. I no theres alot of kewl tuts but i would prefer a book so you dont have to keep changing page to page its easyer with just a book then you can learn with out changing pages, and also if you print the tutorialsout youve got all paper every where and its just easyer in a book form.