"Unknown"@en . . "Mallory Kass is an editor for The 39 Clues books, including Worlds Collide: Tales from an Awesome-Sauce Party, as well as the author of The Black Book of Buried Secrets, except for the introduction, which was written by Rick Riordan. Her branch is unknown."@en . . "Mallory Kass\n300px"@en . . . "Female"@en . . . . . "Mallory Kass is an editor for The 39 Clues books, including Worlds Collide: Tales from an Awesome-Sauce Party, as well as the author of The Black Book of Buried Secrets, except for the introduction, which was written by Rick Riordan. Her branch is unknown."@en . . "Mallory Kass"@en .