In his new book, "William and Kate: A Royal Love Story," best-selling author Christopher Anderson chronicles the royal couple's relationship. And, on "The Early Show" Tuesday, Anderson told co-anchor Rebecca Jarvis about some of their rockier times - and what binds William and Kate to each other.
He told Jarvis why Prince Charles once advised his son, William, to break up with Kate, which William did, in 2007 - and how she quickly won William back.
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Anderson revealed the large role Kate's mother, Carole Middleton, had in bringing her daughter and William together. He also outlined the traits that make Kate the woman she is - and that he feels will enable her to do fine as Queen.
Anderson says he began to write the book a year ago, when sources told him there'd be a royal wedding this spring.
And he spotlighted what he called William's "recurring nightmare."
"William and Harry," Andersen told Jarvis
To see the entire Andersen interview, click on the video below:}
To read an excerpt of "William and Kate: A Royal Love Story," click here.
"William and Kate: A Royal Love Story," is from Gallery Books, a division of Simon and Schuster, whose parent company is CBS, the same as CBSNews.com.