Nikki Maxwell raises money for a local animal shelter in this fourth installment of the 1 New York Times bestselling Dork Diaries series Nikki Maxwell isn't at all surprised to find out that her crush Brandon volunteers at a local animal shelter-of course he wants to help those adorable puppies. And she'll do whatever it takes to keep the shelter from closing. Nikki, Chloe, and Zoey enter an ice-skating competition to help raise money, but big surprise. MacKenzie has to stick her nose in. Can Nikki and her BFFs still carry out their plan.