Polly's pen pal, Ally, is 125 centimeters tall, weighs 25 kilograms, and lives 450 kilometers away -- and Polly is determined to find a way to visit her! A story of long-distance friendship introduces basic metric measurements to children.

Pat Scott and Pat Glenn are brand-new pen pals. They have the same first name. They both like baseball and pizza. They seem to have a lot in common—but do they really?

Her excitement at having a pen pal quickly turns to disappointment when Daisy, a second-grader, receives some unwelcome news about this new "friend."

Arthur thinks his pen pal is more fun than his little sister. Little sisters don't do things like karate and wrestling -- or do they? It takes a surprise letter to show Arthur that sometimes there's more to sisters -- and pen pals -- than meets the eye!

Arthur thinks his pen pal is more fun than his little sister. Little sisters don't do things like karate and wrestling -- or do they? It takes a surprise letter to show Arthur that sometimes there's more to sisters -- and pen pals -- than meets the eye