[julie_m]

There's nothing really wrong with old books, as long as you're aware that things have moved on since they were written. The underlying principles of analogue television are the same, no matter whether the picture be divided into 405, 525 or 625 lines. Once you have grasped the fundamental concepts, you can generalise from there. And any circuits described in the old books will be nice and simple, because they had not yet developed the more fiendish techniques that would come to be used in modern sets!