In "The Renaissance Riddle," Clara, Lillian, Nora, and Pearl stumble upon an ancient time-traveling device in their town's mysterious forest. Curiosity leads them to activate it, transporting them back to Renaissance Italy. There, they befriend the legendary Leonardo da Vinci and unravel a cryptic code hidden within his masterpieces. As they decode the secrets, they realize the code holds the key to preventing a war between rival kingdoms. With da...