"Sixteen-year-old, not-so-openly-gay Simon Spier is blackmailed into playing wingman for his classmate or else his sexual identity--and that of his pen pal--will be revealed"--

Arthur views his little sister in a different light after receiving a revealing letter from his pen pal.

This book is about friendship and the distinctions of living in different parts of the world. A giraffe that lives in Africa meets a pelican who is a mailman. Since the giraffe is bored, she sends a letter to the first animal the pelican can find on the other side of the horizon. The letter passes on to a seal who gives it to a penguin. He reads the letter and even though he does not understand it he writes back, and becomes the giraffe's pen pal....

For a school assignment, a boy reluctantly writes a letter to Clunk of the planet Quazar, sending his older sister with it, but as more letters and packages are exchanged, he realizes that having an alien pen pal can be fun.

It started as an assignment. Everyone in Caitlin's class wrote to an unknown student somewhere in a distant place. All the other kids picked countries like France or Germany, but when Caitlin saw Zimbabwe written on the board, it sounded like the most exotic place she had ever heard of -- so she chose it. Martin was lucky to even receive a pen pal letter. There were only ten letters, and forty kids in his class. But he was the top student, so he got...

As a school project, George and Blaise become pen pals, writing rhyming letters about their favorite things to do, unaware that one is human and the other a dragon.

Pen pals Tulsi and Vanessa discover that even though life in their countries--Tanzania and America--is very different, they still have a lot in common.

"This summer, Elsie is finally going to confess her feelings to her longtime--and long-distance--crush. They may be separated by an ocean, but Elsie feels fluttery every time Ada's name pops up on her phone. Ada gets her like no one else. That is, until Joan, Elsie's childhood best friend, literally walks back ito her life. Joan, who disappeared into radio silence after moving away to Hong Kong years ago, and never replied to any of Elsie's letters...

Brought together as pen pals by a school assignment, Sophie and Katie, eleven-year-olds living on opposite sides of the country, find comfort in their growing relationship when problems at home and at school disrupt their lives.

Ollie, who has seizures when near electricity, lives in a backwoods cabin with his mother and rarely sees other people, and Moritz, born with no eyes and a heart defect that requires a pacemaker, is bullied at his high school, but when a physician who knows both suggests they begin corresponding, they form a strong bond that may get them through dark times.