• Elizabeth Olsen

Elizabeth Olsen

Elizabeth Olsen & Robbie Arnett are the authors of Hattie Harmony: Worry Detective. They both know a lot about performing onstage and all the preparation that goes along with it. Elizabeth is an award-winning actress. Robbie is a writer and musician who has toured around the world with his band. Before a big performance, Elizabeth likes to do some breathing exercises. Robbie likes to take a time-out and go for a walk outside. They live in California, and you can visit them @HattieHarmonyBooks.

Marissa Valdez is the illustrator of Ambitious Girl by Meena Harris and Hattie Harmony: Worry Detective by Elizabeth Olsen and Robbie Arnett. When she needs to feel calm, she likes to draw pictures of gnomes. Originally from Texas, she now lives in England. You can visit her at MarissaValdez.com or @MarissaArts.

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Opening Night (Hattie Harmony)
Opening Night (Hattie Harmony)
Worry Detective (Hattie Harmony)
Worry Detective (Hattie Harmony)