Lost in the Black Forest, Otto meets three mysterious sisters and finds himself entwined in a prophecy, a promise, and a harmonica--and decades later three children, Friedrich in Germany, Mike in Pennsylvania, and Ivy in California find themselves caught up in the same thread of destiny in the darkest days of the twentieth century, struggling to keep their families intact, and tied together by the music of the same harmonica.

After the death of Polly Portman, whose award-winning pies put the town of Ipswitch, Pennsylvania, on the map in the 1950s, her devoted niece Alice and Alice's friend Charlie investigate who is going to extremes to find Aunt Polly's secret pie crust recipe. Includes fourteen pie recipes.

Soon after moving to Noble's Green, Pennsylvania, twelve-year-old Daniel learns that his new friends have super powers that they will lose when they turn thirteen, unless he can use his brain power to protect them.

After an injury ends former star pitcher Peter Friedman's athletic dreams, he concentrates on photography which leads him to a girlfriend, new fame as a high school sports photographer, and a deeper relationship with the beloved grandfather who, when he realizes he's becoming senile, gives Pete all of his professional camera gear.

"Taylor Edwards' family might not be the closest-knit--everyone is a little too busy and overscheduled--but for the most part, they get along just fine. Then Taylor's dad gets devastating news, and her parents decide that the family will spend one last summer all together at their old lake house in the Pocono Mountains. Crammed into a place much smaller and more rustic than they are used to, they begin to get to know each other again. And Taylor discovers...

In 1863 Pennsylvania, fourteen-year-old Tacy faces the horrors of the Battle of Gettysburg while trying to stay out of the way of her brother David, who is in charge while their father serves as a doctor in the Union army, and to keep her friend Marvelous, a free black, safe from rebel soldiers.

When a local businessman and baseball coach disappears just before he is to portray Uncle Sam at the start of a Memorial Day race, ten-year-old Alex and his best friend Yasmeen investigate, despite their pact to stay away from mysteries.