These BBC Earth titles focus on the core subject of biology, with themes mapped to the Cambridge Primary Science curriculum framework, and are illustrated with stills from the iconic BBC Earth TV series. These readers are a fun supplementary resource for teachers and parents to use in the classroom or at home, with questions, facts, and additional activities to encourage exploration and curiosity. The Ladybird Do You Know? graded readers series comprises a range of nonfiction STEM titles for young learners of English. Covering a variety of topics, Do You Know? adopts an inquiry-based approach, and includes motivating video content, project work, and critical thinking activities to develop students' linguistic and 21st century skills.