Ladybird Do You Know? is a STEM-based ELT graded reading series recommended for children aged 5+ who are learning English as a foreign or second language.These levelled non-fiction books feature video content, project work and critical-thinking activities. Each book asks a range of BIG questions on STEM topics from nocturnal animals to building bridges, developing children's language, communication and investigation skills.The five levels progress from CEFR Pre-A1 to A2.Visit the Ladybird Education website for online video content, audio, comprehension activities, and suggestions for project work.Cities, a Starter Reader is Pre-A1 in the CEFR framework and supports YLE Starters exams. Short sentences introduce present simple statements and questions, and some basic vocabulary.How do we travel in a city? Can we grow food in cities? What are green cities? Find out more about city walls, bridges and water buses.