Samantha: An American Girl
All of the historical American Girl books are excellent on audio (yep, even my boys enjoy them, and we all learn a whole lot while listening). Highly recommend!
FROM THE PUBLISHER
Samantha Parkington is an orphan being raised by her wealthy grandmother at the start of a brand-new century, a time when new ideas and inventions are changing everyone's lives. Samantha's own world is filled with elegance and privilege, but she sees that not everyone's life is changing for the better - especially her friend Nellie, a servant girl who lives next door Some people consider "mixing with servants" bold and improper. But for Samantha, a person's worth isn't measured by wealth. True friendship is what matters most.