"A to Z Mysteries" is a popular children's book series written by Ron Roy. Each book features three young detectives—Dink, Josh, and Ruth Rose—who solve mysteries in their hometown of Green Lawn. The series is designed for early readers, with each title corresponding to a letter of the alphabet, making it both educational and entertaining. The stories are engaging and encourage critical thinking, as the characters uncover clues and piece together information. With over twenty-six books, the series covers a variety of themes and adventures, appealing to young readers who enjoy mysteries and problem-solving.