Touchstone - is an innovative new series for adult and young learners of English. It draws on extensive research at Cambridge International Corps on the north- American English . Large database of everyday conversations and texts, shows how people use the English language . At the core academic area of Touchstone is a new management strategy conversation : how to start and how to end the conversation , how to ask or to ask indirect questions ... The result is an innovative course in language and skills development that helps learners communicate naturally and effectively , even in the beginning level.