Tily and Zily are twin sisters who just received their first puppy. The story is shows the sisters experience with Soaf that leads to several different realities they have been unaware of. There is a second short story that introduces the child of Soaf and her name is Diamond.

The book focuses on control and communication for demand response with thermostatically controlled loads. This is achieved by providing in-depth study on a number of major topics such as load control, optimization strategies, communication network model, resource allocation methods, system design, implementation, and performance evaluation. Two major cost modeling methods are established in detail, which are cost modeling based on Taguchi Loss Function and cost modeling based on regulation...