Smart Planet is a secondary-level course which appeals to students' curiosity about the world around them. Stimulating materials complemented by fascinating videos from Discovery Education help bring classes to life and are the ideal starting point for successful language learning. The interleaved Teacher's Book in Spanish includes clear, at-a-glance teaching notes and video lesson plans, together with suggestions on how students can exploit the videos at home. It also provides background information sections, with useful extra facts about the lesson content. It also offers key competences and CEF mapping for every unit; warm-up, reinforcement and extension activities; teaching tips and a games bank. There is also an English version of the Teacher's Book available separately.