The Secret Warning — Susan Blackaby

Livia has grown up in slavery, and has always wanted to learn how to read. When Livia secretly convinces her master's son to teach her, she quickly learns to read. One day, a stranger delivers a message to the house while Livia's master is away. She reads it and finds out a disaster is about to hit the town. Is there enough time to save herself and the master's children from the disaster that is about to strike? Even though she must tell her master that she was able to read the message, Livia makes a decision that will change her life.