Jigsaw Jones is a popular children's book series created by author James Preller. The series features a young detective named Jigsaw Jones, who solves mysteries with the help of his friends. Each book presents a new case, encouraging readers to think critically and engage with the story. The series is aimed at early readers and is known for its relatable characters and engaging plots. With simple language and illustrations, Jigsaw Jones books are designed to foster a love of reading while providing entertaining and age-appropriate mysteries for children.