Samantha Parkington is being raised by her wealthy grandmother in 1904. She befriends a servant girl named Nellie, who moves in next door. The girls become fast friends, though their lives are very different. American Girls Collection/Samantha #1.

When best friends Aggie and Fiona drift apart in fifth grade, Aggie grows to understand that fading friendships are normal, and she makes a new friend who shares more of her interests.

A ten-year-old girl discovers the modern delights of turn-of-the-century New York City when she travels there with her grandmother to visit relatives.

Meet Felicity, a spunky, spritely nine-year-old girl who lives in Williamsburg, Virginia, in 1774, just before the Revolutionary War. American Girls Collection/Felicity #1.

When nine-year-old Nellie begins to attend school, Samantha determines to help her with her schoolwork and learns a great deal herself about what it is like to be a poor child and work in a factory.

Before they can make the attempt, Master Stevens decides to sell some of his slaves and the family is separated. American Girls Collection/Addy #1.