Peter and the Sword of Mercy is a children's novel that was published by Hyperion Books, a subsidiary of Disney, in 2009. Written by Dave Barry and Ridley Pearson, the book is an unauthorized reimagining of characters and situations from Peter Pan, or the Boy Who Wouldn't Grow Up by J. M. Barrie, and tells the story of an orphan named Peter. It was illustrated by artist Greg Call. It is a sequel and fourth installment to Barry and Pearson's "Starcatchers" series, best-sellers released in 2004–2007, which was originally said at the time to be a trilogy. This book was released on October 13, 2009. The next book, called The Bridge to Never Land, was published in 2011.

David McAlister Barry is an American author and columnist who wrote a nationally syndicated humor column for the Miami Herald from 1983 to 2005. He has also written numerous books of humor and parody, as well as comic novels and children's novels. Barry's honors include the Pulitzer Prize for Commentary (1988) and the Walter Cronkite Award for Excellence in Journalism (2005).