Under The Egg by Laura Marx Fitzgerald
This book is about a girl named Theodora (Theo) Tenpenny, who discovers a hidden painting after her grandfather’s death. She realizes it may be valuable and embarks on a journey across NYC with a girl named Bodhi. Her family is poor and Theo wants to find out how much it is worth. Bu, there is more. Before his death, Theo’s grandfather was a security guard at the MET. This book is a great, modern-day mystery.
Grade level: 4-5 ( depends on how fluently you read. It uses some rennasaince era and arts-y related words.)