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The Treasure Pack: The Polybius Square Mystery Letter
Paperback
Series: The Treasure Pack, Book 13
ConceptsGeneral Juvenile Fiction
Publisher Price: $11.99
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ISBN13: 9798995024521
Publisher: Treasure Pack Publishing
Published: Apr 29 2026
Pages: 32
Weight: 0.16
Height: 0.08 Width: 6.00 Depth: 9.00
Language: English
Publisher: Treasure Pack Publishing
Published: Apr 29 2026
Pages: 32
Weight: 0.16
Height: 0.08 Width: 6.00 Depth: 9.00
Language: English
When Grandma and Poppa send their granddaughter a letter with a secret code, a fun mystery begins! Using a Polybius Square, she and her dad work together to solve the puzzle while their dogs, Rissa and Toby Tanner, happily join the adventure. Where will the hidden message lead them? Only the code can tell!
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