Pilot's Handbook of Aeronautical Knowledge
Going into the Cross-Country phase of your training, I expect you to know all of Chapter 15. Through your ground training you should have touched on most all the topics discussed...
15-22 thru the end of chapter. VOR, ADF...
17-23 Situational Awareness
G-24 Radar Services
16-5 Spacial Disorientation and Illusions
