My mum's birthday

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

Learn About The Destructive Effect Non-Native Animals Have On Native Plants And Animals When They Invade An Environment.

Two adorable sisters have something very important to do. They must plan, arrange, and decorate for a great surprise, because it's Dad's birthday. Books of the Neighborhood Readers Program build early literacy skills, introduce important content-area language, and help develop speaking and writing skills. They can be integrated into any existing language arts or core reading programs.

Aligned with school learning programs, Little Issue is an educational magazine that introduces children to science, helps them learn to read, and raises awareness about disabilities and genetic diseases. Little Issue is intended for children aged 6 and up. It is published quarterly. In South Africa, the English version is distributed free to partner schools. Little Issue is also available in French and Spanish, distributed free of charge in schools and to hospitalized children.