In his letters to his favorite author, ten-year-old Leigh reveals his problems in coping with his parents' divorce, being the new boy in school, and generally finding his own place in the world.

Still moping months after being dumped by her Arizona boyfriend Leo, fifteen-year-old Stargirl, a home-schooled free spirit, writes "the world's longest letter" to Leo, describing her new life in Pennsylvania.

Eleven-year-old knuckleball pitcher Vivy Cohen, who has autism, becomes pen pals with her favorite Major League baseball player after writing a letter to him as an assignment for her social skills class.

While living with her Gram in Vermont, eleven-year-old Aubrey writes letters as a way of dealing with losing her father and sister in a car accident, and then being abandoned by her grief-stricken mother.

Through a series of letters to his father, a private investigator, fifth-grader PJ "Clueless" McGee tells of his efforts to discover who stole macaroni and cheese from the school cafeteria.

After finding a break-up letter written by her older sister on the day she died, sixteen-year-old Juniper Lemon becomes determined to find the recipient--only identified as "you"--and in the process uncovers other notes and secrets that demand her attention.

While exploring the area around his grandfather's home Gil discovers a bottle that carries messages into the past, finds a genie in a letter, and three letters that were never delivered but would have changed the course of history.

In Rippling Creek, Louisiana, in 1948, eleven-year-old Tate writes letters to her favorite country singer, sharing her dreams of becoming a singer and revealing that her mother is in prison.

While trying to discover who left a love poem in Noreen's ice cream during a blackout at the roller rink, fourth-grader Calliope Day learns some very interesting facts about boys.

Fifth-grader PJ "Clueless" McGee writes a series of letters to his father, a private investigator, telling of his attempt to learn who stole the science fair trophy, thus clearing his own name.