Which Nitro Book?

[RC_KAOS]

Which book would be better for Nitro Newbie's?
Model Airplane News R/C Nitro Basics
http://www2.gpmd.com/image/m/manz1010.jpg

OR

Model Airplane News Ultimate Nitro Engine Guide
http://www2.gpmd.com/image/m/manz1014.jpg

Has anyone read one of them?

Cheers