Mikael Krogerus and Roman Tschäppeler have tested the 44 most important communication theories and distilled them in book form, alongside clear and entertainin

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Ideas are the currency of the twenty-first century. In order to succeed, you need to be able to sell your ideas persuasively. This ability is the single greates

Get people's attention and get your message across at work. Learn the simplest way to improve your business communication skills today. There is no fluff and no

An essential library of tests for self-knowledge and success, from the strategic thinking experts behind the international bestseller The Decision Book. Are you