Hi,
From my 20+ years in restaurants, including management.
Cooking is not hard. Learning a few easy details helps define the way you do things and allows for you to make your own combinations.
In general, I never use cookbooks, and I cheat, since I used them for many fancy items for many years ... see if you can do a Chateaubriand correctly, or if you can flambee those peaches in one piece!
It's all about procedure.
Of all the books I ever looked at, there is one that is HUGE, but it has in it, something that most cookbooks do not. A "basic" section for most items. For example ... one for Lamb, one for Beef, one for Chicken, one for Pork, and so on. Learning these is fairly simple, but you will eventually figure out how to cook other things, and create masterpieces, based on the very BASIC process for each piece.
Ex: You want that chicken to NOT taste bland and watery, with a nice sauce around it. You don't just place the sauce over the chicken, which, for the most part, is just making it look pretty and not necessarily tasty. In this case, the piece of chicken will still taste bland and watery, and the contrasting sauce too spicy (or salty/peppery) than it should.
Thus, the basic for chicken, includes basting, brazing and the like, leaving enough room, so that you can finish the chicken with the specified sauce and allow the chicken to "absorb" some of the sauce. At which point, there is a nice balance between the chicken and the sauce.
NOTE: Tendency is to make the sauces strong and the meats over done. If you do this, the meats will not absorb anything, or share its "juices" with the sauce. If you undercook the meat, the sauce will over power it, and then you might have a piece that is undercooked, although tasty, not advised for proper consumption ... ie. undercooked pork, or chicken, specially with any kind of fresh vegetables in it.
NOTE2: Home cooking is not designed for fancy stuff like restaurants can do. For example, no one has a "warming oven" at home, A great example of these would be those 30# turkeys, or those 20# Prime Ribs, that you should cook for 10 hours at 180 degrees (time is based on the weight), and the slow cooking, allows all the juices to stay inside and all you have to do later is braise it at 375 degrees for 15 to 25 minutes, to give it color. The flavor is all inside.
NOTE3: Home is not the place for the large grills, that have one advantage of the home cooking apparatus! The grills "set" temperature, makes it easy to do a variety of things ... a fried rice ends up consistent ... and braising vegetables for a soup is much different in the result instead of just throwing all the vegetables into the soup.
The book is called "LAROUSSE GASTRONOMIQUE" and is of French origin. It is a huge book, but its "basic" information is incredible, and off one "basic" setup, it tells you how you can make 10 to 15 things off it.
All of a sudden cooking is easy!