Instrumental flight (advices)

[Dog Fighter]

Hi guys, this is my first post... and i would like to know if someone have heard about some website or a book where I could find some advices about how to make a good instrumental flight... exp.: when you said that you must to start your turn when you CDI start moving and you have to keep on turning following the top of the CDI.

Well... if you heard about something, please call me back!, thanks