Huge crowds are expected when Sarah Palin kicks off her US national book.
The 2008 Republican vice presidential candidate is scheduled to sign copies of her book on Wednesday at a Barnes and Noble bookstore in Grand Rapids, Michigan. The book was released on Tuesday but has topped best-seller lists for weeks.
"Going Rogue" follows Palin from childhood to her departure last summer as governor of the state of Alaska. Its title refers to reports that she defied presidential candidate John McCain's staff during the campaign and had gone "rogue."
Palin campaigned with McCain in Grand Rapids and writes about her unhappiness with the campaign's decision to pull out of Michigan last year.
The three-week tour is expected to largely mirror the 2008 race.