He refused to go into any further details on grounds of confidentiality, but The Wall Street Journal reported that the inquiry concluded that the allegations were "unfounded."
More than half a century after the runaway success of her first book, "To Kill a Mockingbird," HarperCollins announced in February that Lee would publish a new novel, "Go Set a Watchman."
The announcement set the literary world alight and delighted Lee's millions of fans, but quickly degenerated into rampant speculation about whether the 88-year-old recluse was of sound mind.
Lee wrote "Go Set a Watchman" in the mid-1950s but the manuscript was recently re-discovered by her lawyer.
Deaf and suffering from poor eyesight, Lee has lived since 2007 in a nursing home in Monroeville, Alabama.
In February, Carter released a statement telling fans that Lee was "happy as hell" about the new book.
"Watchman" is already a number one best-seller at online bookstore Amazon, where the 304-page hardback is available for pre-order ahead of its July 14 release.
"To Kill a Mockingbird" won the Pulitzer Price for its tale of racial injustice in the Great Depression-era South.
Published in 1960, it has become standard reading in American classrooms and has been translated into more than 40 languages, as well as adapted into an Oscar-winning film starring Gregory Peck.
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More than half a century after the runaway success of her first book, "To Kill a Mockingbird," HarperCollins announced in February that Lee would publish a new novel, "Go Set a Watchman."
The announcement set the literary world alight and delighted Lee's millions of fans, but quickly degenerated into rampant speculation about whether the 88-year-old recluse was of sound mind.
Lee wrote "Go Set a Watchman" in the mid-1950s but the manuscript was recently re-discovered by her lawyer.
Deaf and suffering from poor eyesight, Lee has lived since 2007 in a nursing home in Monroeville, Alabama.
In February, Carter released a statement telling fans that Lee was "happy as hell" about the new book.
"Watchman" is already a number one best-seller at online bookstore Amazon, where the 304-page hardback is available for pre-order ahead of its July 14 release.
"To Kill a Mockingbird" won the Pulitzer Price for its tale of racial injustice in the Great Depression-era South.
Published in 1960, it has become standard reading in American classrooms and has been translated into more than 40 languages, as well as adapted into an Oscar-winning film starring Gregory Peck.
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