by L. G. Alexander, D. G. Grant · Longman · tapa blanda · ISBN 9780582537415
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«Operation Mastermind» is a fiction book by L. G. Alexander, published by Longman in 1971 in paperback (64 pages, in English).
In London, the news that some 25,000 computers have stopped working worldwide puts NASA on alert: without them, its space programs will halt. That same day, Professor Mastermind is found dead in a city theater, and secret agent John Carstairs must discover whether his death hides a connection to the strange computer failure.
It belongs to the Longman Structural Readers series, Stage 3 level, and features illustrations by D. G. Grant.
Aimed at students of English as a foreign language at elementary to intermediate levels, according to the series' grading.
