Follow Christina, Grant, and friends as they visit historic sites around the world and learn many new things on their adventures. Our mysteries incorporate history, geography, culture and cliffhanger chapters that will keep you begging for more! Fun activities, built-in book club and SAT words are in each book.
Click a book name below or scroll down the page to view them all.
Download and print our free activities!
Each book also has an Online Book Club, Fact or Fiction Quiz, and more.
Just click the Show Me More button below each book.
Have you read all 50 books in this series?
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