Read and discover all about cities around the world. What buildings can you find in cities? What can tourists do in cities? Read and discover more about the wor

Read and discover all about jobs. Where do people work in the cities? What does a vet do? Read and discover more about the world! This series of non-fiction rea

Read and discover all about machines in the past and today. When did people invent the wheel? What is a nanobot? Read and discover more about the world! This se

Read and discover all about life in tropical rainforests. What is the biggest tropical rainforest? Where do orang-utans sleep? Read and discover more about the

Read and discover all about incredible energy. What is kinetic energy? What types of energy does electricity give us? Read and discover more about the world! Th