When a gorilla who knows sign language tells his keepers that he is lonely, they bring him a very special friend.

Three years after being kidnapping from her home in Martha's Vineyard, fourteen-year-old Mary Lambert receives a letter from Nora O'Neal, a servant in the house where she was held, who tells her of an eight-year-old girl where she is now employed whom Nora believes to be a deaf-mute, but who is being treated as insane, and asks Mary to come and teach the nameless child; a little scared, but intrigued, and bored with domestic life, Mary agrees -- only...

The Freeman family--Charles, Laurel, and their daughters, teenage Charlotte and nine-year-old Callie--have been invited to the Toneybee Institute in rural Massachusetts to participate in a research experiment. They will live in an apartment on campus with Charlie, a young chimp abandoned by his mother. The Freemans were selected for the experiment because they know sign language; they are supposed to teach it to Charlie and welcome him as a member...

Sam is fascinated by her new neighbors and their ability to talk with their hands, and when she meets Mai, she starts to learn Filipino sign language so they can communicate. Includes dictionary of Philippine signs.

Boogie Bass feels his best friend, Nolan, is better than he at everything, even caring for Boogie's little brothers, but an after-school camp reveals Boogie's talent at communicating using American Sign Language. Includes facts about ASL.

"Part coming of age, part call to action, this fast-paced #ownvoices novel about a Deaf teenager is a unique and inspiring exploration of what it means to belong. Smart, artistic, and independent, sixteen year old Piper is tired of trying to conform. Her mom wants her to be "normal," to pass as hearing, to get a good job. But in a time of food scarcity, environmental collapse, and political corruption, Piper has other things on her mind--like survival....

Jessi recently moved to Stoneybrook and is one of the newest members of The Baby-sitters Club. She's getting ready to start regularly sitting for the BSC's newest charge, Matt Braddock. Matt has been Deaf since birth and uses sign language to communicate, so Jessi has to use it, too. It's a secret language! Soon all the neighborhood kids want to learn how to sign, which keeps the BSC busy. Jessi's the busiest of all -- she's preparing for her dance...