I've seen a website or two on the subject. Overall the subject may still be too esoteric to warrant a book.

Which seems foolish to me, if you consider all the older bikes out there with quality frames far better than a Hell-Mart bike & available cheap.

But Americans are not into restoring things simply for use, most would rather just go out & buy a new one that requires no work, even if it IS junk. Understandable, if unfortunate.