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Pennsylvania ( KYW ) -- A Delaware County couple's private love letters are on their way back home, thanks to the kindness of a stranger and some online sleuthing.

Debi Mercuri was walking with her 4-year-old granddaughter, Parker, through Merwood Park in Havertown when they picked up a book from a Little Free Library. It's a neighborhood box where people take a book, leave a book.

Inside a copy of "From Dude to Dad" were two handwritten love letters between a husband and wife. The husband's letter ended with the words "Love, Stumps," signed next to the doodle of a dog. The wife's letter ended with the words "Love, Mrs. Cianciarulo."

"Oh my gosh, I held them to my heart right away," Mercuri said. "Being a hopeless romantic, I thought, oh, these ar

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