It was billed by its publisher as the “must-read” book for the fall – “a shattering, provocative and mesmerizing true story” so momentous that booksellers were urged to order copies without knowing what they would receive. Now, the secret is out: Publisher William Morrow confirmed recently reporters that the mystery work is Paul Burrell’s The Way We Were, the latest tell-all about Princess Diana by her former butler, who also wrote the 2003 best seller, A Royal Duty. Burrell’s book, a “follow-up” to A Royal Duty, goes on sale September 12 with an announced first printing of 300,000. The biggest news so far came out in an excerpt published last weekend in London’s Daily Mail. Burrell writes that Princess Diana had no plans to marry her companion, Dodi Fayed, who also died in the 1997 Paris car crash along with their driver, Henri Paul. Just days before the fatal accident, Dodi had reportedly given Diana a gold Bulgari ring. Burrell also wrote in A Royal Duty that Diana was not serious about Dodi, observing that “All the princess’ closest friends know the identity of the only man with whom she had enjoyed a happy, long-term relationship since her divorce. And it was not Dodi al Fayed.” The man’s name was not revealed...