Sol Regwan is an optometrist who loves to write. He is the author of the Gizmo Girl series and has authored two other successful children's books. Sol lives in Tarzana, California. You can find him on Instagram @solregwanauthor. Check out the entire Gizmo Girl series at

Denise Muzzio spent her early childhood drawing and surrounded by books. When she grew up, she decided to study graphic design, illustration, and animation to keep that inner child alive. Visit her at

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