Dork Diaries: Sister Showdown (Volume 16) by Rachel Renee Russell | Paperback

Step into Nikki Maxwell's aDORKable world this summer with the BRAND NEW ADVENTURE in the mega-selling Dork Diaries series, which now boasts over 60 million copies in print worldwide! This installment focuses on the sibling rivalry heating up as summer ends.

Lately, Nikki’s little sister, Brianna, has been causing trouble, raiding Nikki's closet and posting a drawing on her door. Nikki has only 72 hours before starting at Westchester Prep and is determined to reinvent herself as the COOLEST, CUTEST, SMARTEST, MOST INTRIGUING girl at school. However, disaster strikes when Brianna gets hold of Nikki’s phone AND her diary, threatening Nikki's plans, her relationships with BFFs Chloe and Zoey, and her crush, Brandon.

• New adventure in the highly popular Dork Diaries series.
• Focuses on themes of sibling rivalry and preparing for a new school year.
• Perfect summer read for fans of the series.
• Appeals to readers who enjoy books like Lottie Brooks, Diary of a Wimpy Kid, and Tom Gates.

• Author: Rachel Renee Russell
• Brand/Publisher: Simon & Schuster Children's UK
• Binding: Paperback
• Edition: 1st Edition
• Language: English
• Print Length: 272 pages
• Reading Age: 9 - 11 years
• Dimensions: 130 x 16 x 198mm
• Weight: 190g
• Release Date: June 5, 2025
• ISBN-13: 978-1398541207

Don't miss out on Nikki's latest challenges as she tries to secure a fabulous start to the new school year while dealing with her sister's antics. Check out the full Dork Diaries series!