The Ladybird Do You Know? book is a series of STEM-based reading material intended for children aged 5+ who are learning English as a foreign language. These illustrated non-fiction books include videos, projects, and critical thinking activities. Each book poses a series of BIG questions about STEM topics, from nocturnal animals to bridge building, developing children's language, communication, and research skills. The five levels progress from CEFR Pre-A1 to A2. Cities, a Starter Reader, is Pre-A1 on the CEFR and supports YLE Starters exams. Short sentences introduce simple statements and questions, as well as essential vocabulary. How do we travel in a city? Can we grow food in cities? What are green cities? Learn more about city walls, bridges, and waterborne means of transportation.