Richard Horatio Edgar Wallace (1875-1932) was an English writer of 957 short stories and over 170 novels. He is widely recognized as one of the most prolific writers of his age.

The Mind-Readers is a classic detective story of a Scotland Yard detective determined to trap the master criminal who has just executed a remarkable and ingenious emerald heist. The only way to outwit the thief is going to be to read his mind.