"Upstream: Pre-lntermediate 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 including collocations, idioms, phrasal verbs, fixed phrases and word formation, a varied range of reading texts from authentic contemporary sources, with exercises which encourage learners to read extensively as well as intensively, stimulating reading and listening tasks, a wide range of speaking activities, writing analysis and practice on all types of writing with full models, Self-Assessment sections at the end of each module, grammar sections covering all major grammatical areas and more advanced grammar points plus a Grammar Reference Section, songs.