Juanita and Miguel's great aunt, Tía Lola, comes from the Dominican Republic to help take care of them after their parents divorce, and soon she is so involved in their small Vermont community that when her visa expires, the whole town turns out to support her.

When three girls and their father visit for a week in the summer, it takes T́́ía Lola to make Miguel forget his unhappiness at the absence of any boys and embrace the adventures that ensue.

Twelve-year-old Addie should stay away from Maple Lake. After all, her twin brother, Amos, drowned there only a few months ago. But its crisp, clear water runs in Addie's veins, and the notebook Amos left behind -- filled with clues about a mysterious creature that lives in the lake's inky-blue depths -- keeps calling her back. So despite her parents' fears, Addie accepts a Young Scientist position studying the lake for the summer, promising she'll...