Charlie is a teenager experiencing life and writing letters about it.

"When America is not so beautiful, or right, or just, it can be hard to know what to do. Best friends Walt and Noah decide to use their voices to grow more good in the world, but first they've got to find cool. Walt is convinced junior year is their year, and he has a plan to help them woo the girls of their dreams and become amazing athletes. Never mind that he and Noah failed to make the high school baseball team yet again, and Noah's love interest...

Through letters to his little sister, who is living in a different foster home, sixth-grader Lonnie, also known as "Locomotion," keeps a record of their lives while they are apart, describing his own foster family, including his foster brother who returns home after losing a leg in the Iraq War.

Incarcerated teen Quan Banks writes letters to Justyce McCallister, with whom he bonded years before over family issues, about his experiences in the American juvenile justice system.

As letters flow back and forth--between the prairies of Illinois and the mountains of Afghanistan, across cultural and religious divides--sixth-grader Abby, ten-year-old Amira, and eleven-year-old Sadeed begin to speak and listen to each other.

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.

Nurk, a sort-of brave shrew, packs up a few pairs of clean socks and sails off on an accidental adventure, guided by wisdom found in the journal of his famously brave and fierce grandmother, Lady Surka the warrior shrew.

A story told in letters between an owl who just wants some peace and quiet from the neighborhood children so he can read, and the squirrel bookshop owner who helps him realize the value of companionship and community.

Unhappy about being sent to the same summer camp after their fathers start dating, Bett and Avery, two girls, age eleven, eventually begin scheming to get the couple back together after a break-up. Told entirely through letters, emails and text messages.

In 1969, as her own family is falling apart, ten-year-old Mamie finds comfort in conducting a one-sided correspondence with the least famous astronaut heading toward the moon on Apollo 11.