Book excerpt: In this You Choose digital e-book mystery, Scooby-Doo and the gang visit the great city of New Orleans. When the gang is forced to stop by an old mansion, it seems they've discovered a haunted house filled with witches and vampires. But who's really behind the haunting? Reader's choose which path to follow simply by tapping the link, with each leading to a different guilty party. Solve the mystery again and again!