Welcome to the new and exciting world of Oxygen for DGB. You can have a lot of fun and become a really successful language learner working with this series. All the topics in the book are authentic, and up-to-date. You wil be able to learn a lot of new thing abourt a wide variety of interesting topics, at the same time as you are learning English. You will also practice your investigative skills, bye researching information about the world we live in on the internet, and you communicative skills, by reporting your findings to your classmates.