How to Make a Secret Code

How to Make a Secret Code Mia, Ben, and Oliver love playing together, but when Mia's little brother keeps spying on them, they decide it's time for a top-secret mission. Their goal? To create the perfect secret code! As they experiment with invisible ink, mysterious symbols, and tricky ciphers, the trio learns that secret codes aren't just about hiding messages-they're about teamwork, creativity, and problem-solving. But when their first big test arrives, will their code be strong enough to protect their biggest secret yet? A fun-filled adventure that sparks curiosity and critical thinking, How to Make a Secret Code will have young readers eager to crack the mystery of communication!