Making Friends: Back to the Drawing Board (Making Friends Series #2) by Kristen Gudsnuk

Dany, Madison, and... wait -another Dany?! -must navigate some very complicated friendships while trying to capture a magical dog that is turning their town upside down! Almost everything is going great for Dany. She and Madison are still best friends, she still has her magic sketch book, and the new school year is looking up. But when Dany creates a duplicate of herself to secretly help with homework and raise her social status, the two of them accidentally unleash a magical dog that wreaks supernatural havoc on the town. Now, with the big school dance coming up, time is running short for Dany, Madison, and their friends to set things right before the night is completely ruined!