Not If I Can Help It (Scholastic Gold) - by Carolyn Mackler

Best Friend Next Door is a heartwarming and relatable novel that explores the complexities of young friendships and change.

Willa, the protagonist, struggles with her father's big news - he's dating her best friend's mom.

This creates a series of unexpected challenges for Willa, including the idea of combining families and becoming an older sister overnight.

Will she go along with all of these changes? Not if she can help it! With humor and insight, Mackler portrays the ups and downs of young friendships and the difficulties of adapting to change.

This engaging read is perfect for middle grade readers who will relate to Willa's struggles and root for her as she navigates this difficult time in her life.