Este es el noveno volumen de la serie «Diario de Nikki «Diario de MacKenze Hollister . Vale, no os voy a engañar, este no es MI diario. Alguien (mi ARCHIENEMIGA Mackenzie) ha metido las narices en mis cosas. Preparaos para leer SU historia. ENGLISH DESCRIPTION Nikki Maxwell's worst nightmare comes true in this ninth installment of the #1 New York Times bestselling Dork Diaries series! A certain member of the CCP girls Dork fans know all about has gotten her hands on Nikki's diary and has decided to share some thoughts of her own...Find out what happens when Nikki's worst nightmare becomes a reality. Welcome to MacKenzie's world!!