Govindan Nair

This book is the best one I have ever read. The twist of MacKenzie taking over was the best part. She is really a mean girl. She also hacked nickie's secret miss know it all section. But luckily ,nickie is able to fix everything before it's too late. I really enjoyed this book. It is the 9th book of the dork diaries section. The author of this book is Rachel Run'ee Russell.