13 and counting

"[This is] the third book in this laugh-out-loud series about two BFFs who master middle school with a list of thirteen goals they MUST achieve before their first summer apart. With winter break almost over and seventh grade spinning beyond their control, best friends Kaylan and Ari write a new list of 13 resolutions to make the New Year, middle school, and their friendship even more amazing before they go to separate camps next summer. But what...