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The Case of the Missing Moonstone - The Wollstonecraft Detective Agency, Book 1

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Is this book about a real woman in STEAM?

History, mystery, and science collide in a new series for middle-grade readers, perfect for fans of The Mysterious Benedict Society and Lemony Snicket!

Jordan Stratford imagines an alternate 1826, where Ada Lovelace (the world’s first computer programmer) and Mary Shelley (author of Frankenstein) meet as girls and form a secret detective agency!

Lady Ada Byron, age eleven, is a genius. Isolated, awkward and a bit rude—but a genius. Mary Godwin, age fourteen, is a romantic. Adventurous, astute, and kind, Mary is to become Ada’s first true friend. And together, the girls conspire to form the Wollstonecraft Detective Agency—a secret constabulary for the apprehension of clever criminals. Their first case involves a stolen heirloom, a false confession, and an array of fishy suspects. But it’s no match for the deductive powers and bold hearts of Ada and Mary.

Mystery fans will love this tween girl riff on Sherlock Holmes and John Watson. History buffs will be delighted to see all the real figures who play a role in this story and appreciate the extensive backmatter that helps separate truth from fiction. Parents and educators hoping to promote the STEM fields for girls will be thrilled to have a series where two girls use math, science, and creative analytical thinking to solve crimes. But most especially--emerging readers will love this series filled with humor, action, intrigue and wonderful artwork from Kelly Murphy.

Screen Shot 2021-01-22 at 12.09.52
Screen Shot 2021-01-22 at 12.09.52
Screen Shot 2021-01-22 at 12.09.52


Jordan Stratford


Kelly Murphy


Knopf Books for Young Readers

Recommended Ages:

8 - 12 years


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Girls Love STEAM Review:

Additional Reader & Professional Reviews:

“This is a winner.”
-- School Library Journal

“Smart and witty. The detectives in training use quick thinking, book smarts, and social know-how to find a stolen gemstone. Comical narration and dialogue will charm readers thoroughly.”
-- Publishers Weekly

“An enjoyable plot, resourceful heroines and fun writing.”
-- Wall Street Journal

“Equal parts laughs and adventure, this lively mystery will keep you guessing till the end!”
--Discovery Girls

“Smart and clever girls who think they know better than anyone else (and probably do) will enjoy this refreshing mystery and the start to what’s sure to be an intriguing series.”
-- KidsReads

“A tale of two young girls facing down wicked plots and pernicious deeds.”
-- The Center for Fiction

“A must-read for fans of history, mystery, and witty young women, The Case of the Missing Moonstone is a charming first installment of what is sure to be a spectacular series.”
-- Middle Shelf Magazine

“Promises to be a classic for young modern sleuths.”
-- Portland Book Review

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For ages 12 and under

Parent Permission Required

For ages 13-17

For ages 18 & Above

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