The children's book "Klay's Better Ways: Cup Phone" is about a boy named Klay who wants to find a better way to communicate with his sister, who is in another room. Klay comes up with the idea to make a phone out of two cups and a string. With the help of his dad, they gather the necessary supplies and make a cup phone. They then are able to communicate with each other, and Klay feels proud of his invention. The book encourages children to be creative problem solvers and to find simple solutions to everyday problems.