Exercise Is Fun is a simple informational text that illustrates the main gross motor activities that children can engage in to strengthen their bodies. This beautiful illustrated series of 40 readers covers sustainability foundation ideas and concepts. It is ideal for early childhood science lessons using readers to cover some of these topics. It treats the importance of the human environment and moves to the energy use in maintaining this environment. It looks at lifestyle and the choices made to reduce carbon usage and improve well-being in the process. The series was produced as a foundation set of readers to be used in classrooms as guided readers or take-home readers treating the importance of sustainability for humans on this planet.