Hattie Harmony: Worry Detective Katherine Applegate and a celebration of the

and a celebration of the indomitable spirit that dares to defy the odds

and allergies delightful

snot goblins

and fear—with comfort at the end

Hattie Harmony: Worry Detective Katherine Applegate and a celebration of theAn instant #1 New York Times bestseller! Award winning actress Elizabeth Olsen and esteemed musician Robbie Arnett have created a fresh approach to wellness in a new series that shows children ways to manage anxiety. A perfect back to school read! Meet Hattie Harmony, Worry Detective. Shes always there to help her friends when they need her. And the first day of school can cause a lot of jittersfrom speaking in front of the class to taking the bus.