''Mastermind'' is the ultimate test of knowledge, memory and nerve. Over four decades hundreds have tested their mettle in the famous black chair, and dared to put their intellect under the glare of the Mastermind spotlight. Now, can you rise to the challenge? ''The Mastermind Quiz Book'' poses over 3,500 questions, from fiendishly difficult general knowledge teasers to in-depth tests of specialist subjects. With topics ranging from Classical Mythology to Medical Science, by way of Famous Russians and The Works of Johnny Cash, only the finest minds will triumph. Whether you're playing in groups or simply testing your own brainpower, this collection of questions will challenge the very core of your mental strength -- but when the clock runs down and the lights come up, will you emerge as the Mastermind?