Baby-Sitters Club #16: Jessi's Secret Language

ANN M. MARTIN

Jessi knows a secret language! She learned it from Matt Braddock, the BSC's newest charge. Matt's been deaf since birth, and he uses sign language to speak. Since Jessi is Matt's baby-sitter, she has to use sign language, too. Soon all the kids in Stoneybrook want to learn to sign... which keeps the mem...