Would have to agree that Bob Tait is the man!! I used to love all his little pictures and diagrams in the text books and some of the multiple choice questions cracked me up!
Passed all my exams from his books first time and i love the clear way he explains everything for the average joe.
Here is a funny question from Air Law
A radar vectoring service will be terminated by the phrase
A resume own naviagtion
B squawk standby
C continue visually
D she's all yours mate