The product is a lot of four interactive books from the "Comes to Life Books" series, each featuring a different book title Turtles the mystery of the missing pizza, Waldo in Dinoland, the little engine that could, and the boy who became a frog. These vintage hardcover books, published by YES Entertainment Corporation in the 1990s, are aimed at children aged 4-12. Perfect for sparking imagination and curiosity in young minds.