POE’S SECRETS
The writer Edgar Allan Poe is famous for his scary stories and poems, but he also loved secret messages. His mystery story “The Gold-Bug,” published in 1843, is about a secret message written in invisible ink on a scrap of parchment.
Coins In A Row
Simple, two-player games can be fun. They also let you try out strategies that may later help solve difficult problems. Try this game: Place an even number of coins in a line. Use coins of various values. You and another player take turns removing a
