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Nina and the Keeper of the Keystone: Secret Society of Rebel Girls

(Paperback, 2nd edition)


Publishing Details

Full Title:

Nina and the Keeper of the Keystone: Secret Society of Rebel Girls

Contributors:

By (Author) Rebel Girls
By (author) Marti Dumas
Illustrated by Kristina Kister

ISBN:

9798889641131

Publisher:

Rebel Girls Inc

Imprint:

Rebel Girls Inc

Publication Date:

6th January 2026

UK Publication Date:

2nd October 2025

Edition:

2nd edition

Country:

United States

Classifications

Readership:

Children

Fiction/Non-fiction:

Fiction

Other Subjects:

Childrens / Teenage fiction: Crime and mystery fiction
Childrens / Teenage fiction: Fantasy
Childrens / Teenage fiction: School stories
Childrens / Teenage personal and social topics: School, education and teachers

Physical Properties

Physical Format:

Paperback

Number of Pages:

320

Dimensions:

Width 129mm, Height 198mm

Description

An exciting fantasy series from Rebel Girls. In book two, Nina and her friends realize they can use the mysterious mailbox to help their fellow students deal with their problems. Soon there's a stream of kids looking for advice. Not wanting to divulge their secret to other students, they say that they merely draw on history to give their advice. But when a student takes the advice from a letter Marie Curie sent a little too literally, almost blowing up the science wing, their operation is forced underground. What's worse, a new principal arrives on a mission to improve standards, and he seems to know a little more about Ada Lovelace Middle School than he's letting on... 2025 Rebel Girls, Inc.

Author Bio

Marti Dumas is a mom, teacher, writer, and creative entrepreneur from New Orleans. An expert in childhood literacy, Marti has worked with children and teachers across the country for the last 15 years to promote an early love of reading both in and out of the classroom. Her best-selling Jaden Toussaint, the Greatest series combines literacy with STEM skills and humor, and adds much-needed diversity to the children's chapter book landscape. Her latest book, Wildseed Witch, is a middle-grade fantasy that is already being heralded for its skillful combination of technology, history, and magic.

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