An unsent letter in a first edition copy of Charlotte's Web leads to a hunt for treasure in this heartwarming middle grade mystery from the author of The Mother-Daughter Book Club.

Now that Truly Lovejoy's father has been injured by an IED in Afghanistan and is having trouble finding work back home, the family moves from Texas to tiny Pumpkin Falls, New Hampshire, to take over Lovejoy's Books, a struggling bookstore that's been in the family for one hundred years.

With two older brothers and two younger sisters clamoring for attention, her mother back in school, and...