When Hollywood's movie-makers and docu-dramatists get their hands on American history, accuracy, reality and truth often are tortured beyond recognition. But starting at 8 p.m. Sunday, March 16, HBO Films will be delivering the seven-part, nine-hour mini-series "John Adams." Co-executive produced by Tom Hanks, starring Paul Giamatti and Laura Linney as John and Abigail Adams, it is by all accounts a high-quality, historically accurate and meticulously faithful adaptation of super-historian David McCullough's blockbuster 2001 book of the same name. McCullough, whose 2005 best-seller "1776" is also in development by HBO, is a two-time winner of both the Pulitzer Prize and the National Book Award. His "John Adams" biography -- a huge critical and commercial success -- reminded the masses that the often-forgotten second president of the United States was a major intellectual force and a courageous political player in the country's miraculous founding. I recently talked to McCullough about the making of the HBO series by phone from his home in West Tisbury, Mass.

Q: I presume that by now you've seen the final cut of "John Adams"?

A: I have not seen the final cut because there is still editing being done for the last hours. But I have seen the evolution of the project from the very beginning, all the way along over the last three, nearly four years. I've seen every version of the script for each episode and I have seen the preliminary rough cut, the secondary rough cut and so forth for all of the episodes. I can tell you that I am more than pleased with the quality, the look, the integrity of it all. It is superb.

Q: What is the most important message or point of the book that you wanted to make sure was going to be carried forth by the mini-series?

A: I wanted very much for the medium, which is a very different medium from a book, to convey the reality of those times -- the hardships and sufferings that the protagonists experienced and all that they went through -- and to catch particularly the character of John and Abigail Adams. When you make the decision to turn a book you have done over to filmmakers, you are really trusting in their integrity. And after meeting Tom Hanks and spending time with him, and talking about the book, and talking about particular characters and particular scenes in the book, I was convinced that he was the right person to do the job -- and I have had no reason whatever to change my mind.

I think that they have not only been meticulous in every detail to achieve authenticity -- every prop, all the costumes, every set, every interior and exterior view -- but they've also been true to the vocabulary of the time, the language, so that one feels very much transported into a different world.

It's going to be the 18th century -- and particularly, of course, the 18th century in this country -- as Americans have never seen it before. It's not a costume pageant; it's the way life was. You are going to see people with bad teeth and dirt under their fingernails. You are going to see a man tarred and feathered and it's going to be hard to watch, it's so awful. It wasn't just a sort of high school prank. Tar-and-feathering was torture. People died from it. You are going to experience the horror of smallpox and of someone having a leg amputated without anesthetics. It's very real and entirely in keeping with the way it was.

Q: When you met with Tom Hanks was there anything he said that especially impressed you -- anything he saw in the book or a part of the story that he wanted to tell that told you "He gets it. He understands John Adams, the book, the man, the times"?

A: Yes. He understands that character is what counts, above all. We met in a little cafe in Ketchum, Idaho, for breakfast one morning. He had a copy of the book in which he had underlined scenes -- pages after pages, and he had written marginal notes. The thing looked like an autumn-leafed blizzard of Post-its all the way through it. So I knew he had really done his homework and that he knew exactly what he hoped to achieve -- and he wanted my opinion. As he later told the director and the cast and the screenwriter, "This is to be David McCullough's John Adams." He never varied from that. I must say, too, that one of the things that he has done that is so important is that he has brought enormous talent to this project. The performances by Paul Giamatti and Laura Linney are, to my mind, works of art. They are breathtaking. And the screenplay, by Kirk Ellis, could not be better.

Q: This is an amazing miracle considering what Hollywood ...

A: My wife tells me I have to hold back in my praise for what they have done, but I can't. It's everything I could have dreamed for, hoped for, and then some. It's nine hours -- they didn't try to compress everything into an hour and a half. I've been on the sets. I've been working with Kirk Ellis the whole way through. Very often, filmmakers will buy the rights to a book and then they'll keep the author as far in the distance as possible.

Q: They don't want the author to see the damage they are doing to his book. Continued...