The beloved Postables discover a 200-year-old valentine that could change history, while their investigation of a damaged letter leads them to a public figure who could be brought down by its contents. And in the aftermath of Valentine's Day, Oliver, Shane, Norman and Rita are each dealing with heartbreaking circumstances.

On Valentine's Day, Gilbert brings a tin of homemade cookies and his original nice or nasty poems to school.

"He loves me, he loves me not ... Alexis leaves a Valentine's Day surprise for her crush. Does he like her back? Despite objections from her Cupcake Club pals, Alexis makes a special valentine cupcake for her crush, Emma's older brother Matt, and leaves it for him next to his computer. Alexis is secretly hoping Matt will get the hint and give her a valentine, too. But ever since Alexis left the cupcake, Matt's been acting really uncomfortable around...

Ann Estelle is so busy creating the most beautiful Valentine mailbox in class, she forgets to make cards for her classmates.

Each animal who lives in a little village celebrates Valentine's Day in a different way.

Clifford, the big red dog, makes a snowy valentine for his friends.

"Abby knows a secret about her sister: Eva the star athlete has a boyfriend! That's the last thing Abby would ever want for herself. But when it turns out she has a secret admirer at school, Abby has to ask herself some questions. Who's been sending her all these cards and pictures? And is she really ready for love?"--Publisher.

A group of animal friends work together to make valentines.

It is Valentine's Day in the Hundred-Acre-Wood and Pooh and his friends decide to make cards to exchange with each other at a party.