Alright I've asked for help from someone I know in person on how to approach heads and I need to reel it back.
Rather than trying to study a completed lineart drawing from a book, I should be studying real-world animals that are used as a base for the dragons. However I'm still confused. More so in whether or not my approach is correct and I'm also struggling to understand how the muzzle connects to the cranial mass of the animal.
Here is my current study:
I'll be working through it some more until I have about 5 heads done then see where I'm at by then.