Dork Diaries: How to Dork Your Diary is book 3 1/2 in the Dork Diaries series. This is not a story, although it has some scenes that Nikki tells as a story but mostly it just tells you how to make your own "Dork Diary".
This is not the fourth book, although some people may think it is. This book was released on October 8, 2011. Like the others, it is a New York Times bestseller.
Nikki loses her diary, thinking it was Mackenzie who stole it. So instead she teaches you how to dork your diary.
Nikki Maxwell has been writing in a diary since the start of the school year, and she usually takes it everywhere she goes—so she can't believe it when one morning she can't find her diary! The hunt is on, and while she looks, pursuing various theories about where it could be, with help of her besties Chloe and Zoey. She automatically suspects Mackenzie to have stolen her diary, as the two are enemies. Nikki can't help putting together a list of important diary-keeping lessons to remember in case of missing diary emergencies like this one. How to Dork Your Diary is chock full of tips from Nikki on fun things to write about in your diary, with lots of space for readers to write and draw their own entries.