•are there are any books like that? (If yes refer them and the target languages)

•are there are any books like that? (If yes refer them and the target languages)
•is there one specifically for Turkish language?
•How can someone start from the beginning to create a manual for language teachers to guide them on how to teach based on current teaching methods
•what a manual for language teachers should include in?
•is it something that we would suggest in this technological era?