Dedicated in Memory of Burlington - born Gretchen Sutter Mack 1922 - 2002. Includes bibliographical references (pages 208-212).
Summary:
"With codewords and secret signals perfected, best friends Rachel and Joon are ready to spend their summer practicing spycraft-especially if they can uncover secrets like the one Joon's parents have been keeping, that his family is about to move out of town. When eavesdropping leads them to a ring rumored to have belonged to Anna "Nancy" Smith Strong-according to local Long Island legend, the only female member of George Washington's famed Culper Spy Ring-they think they've hit the jackpot. Then they discover Nancy left a coded message in the ring! Decoding her message leads to another cryptic clue, and then another, and soon Rachel and Joon are racing to decipher a series of puzzles that must surely lead to hidden treasure! But can they solve the final mystery before Joon's moving day? And just what did the centuries-old spy hide away-and why?"-- Provided by publisher.
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