Do you know that there are some 500,000 words in the English language – plus 300,000 technical terms? Yet, if you are an average person, you probably only use 2000 or 3000 words in everyday speech. Boost your vocabulary and you can express yourself more clearly. Say what you really mean and be more interesting! The book is a series of different tests which explore every aspect of your vocabulary power, and which will give you hours of enjoyment besides.