Henry and the Valentine Surprise — Nancy Carlson

When Henry and his classmates spot a heart-shaped box on their teacher's desk, they start trying to guess who it's for. The students begin to think Mr. McCarthy has lots of girlfriends when they see him talking to the playground monitor, smiling at the lunch lady, and eating with the French teacher. But when Henry finally asks Mr. McCarthy about the box, it's the class who gets a big surprise!