Set of 2 Children's Books: Science, Scientific Concepts, and Environment * "Science the World!" * "The World Without Rhinos" This is a set of two children's books for elementary to junior high school students. These books offer an enjoyable way to learn about scientific perspectives and environmental issues, and are recommended for children who like science or those who want to develop their critical thinking skills. Also suitable for finding topics for book reports and independent research projects. These are used items, so there may be some scratches and minor imperfections, but there are no issues with reading them. Please check the photos for the condition. * No individual sales. * Instant purchase is welcome. * Will be carefully packaged to prevent water damage before shipping. This is a great value set. Please consider purchasing.