"Upstream: Level B1+" is a modular secondary-level course for learners of the English language at CEF B1+ level. The series combines active English learning with a variety of lively topics presented in themed units. Key features: theme-based units, from a wide variety of authentic sources, in five modules, a variety of cross-cultural topics, systematic development of all four language skills through realistic, challenging tasks which encourage the learner`s personal engagement, lexical exercises practising and activating all essential vocabulary, a variety of authentic, stimulating reading and listening tasks, a wide range of speaking activities, realistic, stimulating dialogues featuring people in everyday situations, grammar sections covering all major grammatical areas, plus Grammar Reference section, composition analysis and practice in various types