Join best friends Wolf and Kitty in this delightful picture book by Abie Longstaff. When they want to play fetch but don't have a dog, they use their creativity to build one: Rex the robot-dog! However, Rex has his own quirky and hilarious ways of fetching the ball, leading to a fun-filled, chaotic adventure. This story beautifully illustrates themes of friendship, problem-solving, and invention, making it a perfect read for young children who enjoy heartwarming and humorous tales.