best part about he "how to's" is they have been done by people who have done them in real life, not a manual printed out. so short cuts are found.

back in the 80's, and before then, if you needed to know something, well, we went to the library took out a chilton manual, and went to town.

just by following the directions, you could see they make you take 2 or 3 more steps for no reason at all. so we would adjust to how we thought stuff would fit/ come out. some form of directions do help tho. and some form of reference is always nice. you know a pic here and there, or a schematic or two. which is all we had back in the day.