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Under the Egg

by Laura Marx Fitzgerald

Subject
Mysteries & Detective Stories
Age
6-8 years
Format
Trade Paperback
Pages
272
Publisher
Rocky Pond Books
Size
12.9 cm × 19.6 cm
ISBN
9780142427651
From the Mixed-Up Files of Mrs. Basil E. Frankweiler meets Chasing Vermeer in this clever middle grade debut

When Theodora Tenpenny spills a bottle of rubbing alcohol on her late grandfather’s painting, she discovers what seems to be an old Renaissance masterpiece underneath. That’s great news for Theo, who’s struggling to hang onto her family’s two-hundred-year-old townhouse and support her unstable mother on her grandfather’s legacy of $463. There’s just one problem: Theo’s grandfather was a security guard at the Metropolitan Museum of Art, and she worries the painting may be stolen.

With the help of some unusual new friends, Theo's search for answers takes her all around Manhattan, and introduces her to a side of the city—and her grandfather—that she never knew. To solve the mystery, she'll have to abandon her hard-won self-reliance and build a community, one serendipitous friendship at a time.

“Uniquely readable, entirely charming, and a pleasure from start to finish. Debuts this good are meant to be discovered.” —SLJ Fuse 8 Blog

“Riveting from start to finish.” —BookPage

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What reviewers said

"It's really a very compelling read and I don't know how she did it."
Kate DiCamillo on NPR
“With surprising twists, heartwarming moments and historical facts, Laura Marx Fitzgerald creates the perfect adventure in Under the Egg. Art enthusiast or not, any girl will love this book.”
GirlsLife.com
"Along with the themes of research, family commitment, and Holocaust history, fans of Koningsburg’s From the Mixed-Up Files of Mrs. Basil E. Frankweiler and Balliett’s Chasing Vermeer will thrill at the chance to solve a new mystery centered around art."
Library Media Connection, starred review
"Uniquely readable, entirely charming, and a pleasure from start to finish. Debuts this good are meant to be discovered."
Betsy Bird, SLJ Fuse 8 Blog
"A fast-paced mystery...If Dan Brown of The Da Vinci Code wrote middle-grade novels, this would be the one."
Kirkus Reviews
"Fans of From the Mixed Up Files of Mrs. Basil E. Frankweiler will find this another delightful lesson in art history."
Publishers Weekly
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© 2026 Peekabooks Inc. All Rights Reserved.