Nine-year-old Calvin catches the attention of the school bully on the day before he starts fourth grade, while at home, the unfriendly, fifteen-year-old daughter of his mother's best friend has taken over his room.
Eleven-year-old Callie Jones tries to keep track of all the rules for fitting in that other middle school students seem to know, but when the town decides to replace Halloween with an Autumn Festival, Callie leads her large family in an unusual protest.
Siblings Amy and Dan Cahill continue their global search for the clues that will unlock the Cahill family's secret power while also working to evade Irina Spasky.
Fourth grader Lucy Rose learns about the perils of eavesdropping while also confiding in her diary her worries that her recently divorced mother is beginning to date.
After Marvin, a beetle, makes a miniature drawing as an eleventh birthday gift for James, a human with whom he shares a house, the two new friends work together to help recover a D?rer drawing stolen from the Metropolitan Museum of Art.
