Traverse City is the home to three special superheroes.Meet Abigail, the oldest. When it comes to sports, she can't be beat.Andrew is her twin. If it has wheels, he can ride it.Baby Zoë is the youngest but also the strongest. Don't let the diaper fool you.In this first adventure, the heroes try to keep their cool on the hottest day of the year. Soon, however, they discover that not all ice cream is created equal. Some is created by aliens who have plans to take over the world.