The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.

"Too Small Tola lives in an apartment with her clever sister, Moji, her big brother, Dapo, and Grandmommy, who is very bossy. In the first of three endearing new adventures, Tola is sized just right to wriggle under the bed and rescue Grandmommy's prized possession when it goes missing. Her savvy and math skills save the day when Grandmommy gets sick, and when the family can't afford new clothes, industrious Tola finds a way--with a little help from...

The Boxcar Children are spending the summer in an enormous New England farmhouse. There's an old woodshed near the house that holds a surprising secret--a secret that dates from the Revolutionary War. Suddenly their summer becomes an adventure.