She was a Pulitzer Prize committee chairwoman and a judge of the general nonfiction category on four occasions.
But the paperback edition of the book finished No. 3 in the nonfiction category.
On Sunday, it will be ranked No. 12, marking its 149th week in the nonfiction category.
The book became a New York Times best seller in the nonfiction category on March 2, 2003.
The final list is usually limited to 10 in the fiction category and 10 in the nonfiction category.
Professor Heilbrun said she felt that the nonfiction category should be expanded.
This book won the 2010 Northern California book award, general nonfiction category.
"They list it in the nonfiction category."
From 1964 to 1983, under different administrators, there were multiple nonfiction categories.
Thomas is one of several authors of two Award-winning books in nonfiction categories.