A cipher message arrives from Fred Porlock, a pseudonymous agent of Professor Moriarty. After Porlock sends the message, however, he changes his mind for fear of Moriarty’s discovering that he is a traitor. He decides not to send the key to the cipher, but he sends Holmes a note telling of this decision.
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Lingua Inglese ● Formato EPUB ● Pagine 162 ● ISBN 9781787246232 ● Dimensione 0.9 MB ● Casa editrice Adelphi Press ● Città Montefranco ● Paese IT ● Pubblicato 2018 ● Scaricabile 24 mesi ● Moneta EUR ● ID 6415030 ● Protezione dalla copia senza