A funny thing about the book... McCullough intended to write a book about 1776 and independence, but because Adams was such a central figure in the independency movement, he changed the focus of the book to be a biography of Adams.
A year later, McCullough published a companion book, 1776, that contained the rest of his notes.
-PJ
I just watched an excellent talk the other night by David McCullough if you (and others) are interested. I should post it as a separate thread, I guess. He not only talks about John Adams, but also writing, education, students, and teachers. I found it very interesting.
David McCullough on John Adams
https://www.youtube.com/watch?v=7LRZ3AaBlt0