This volume includes two of Conan Doyle's most gripping tales. 'The Tragedy of the Korosko' is a thrilling adventure story set in the heat of the Sahara desert, where a group of Europeans find themselves at the mercy of a band of ruthless kidnappers. 'The Green Flag' is a chilling mystery involving a murdered man with a green silk scarf around his neck. With his masterful storytelling and vivid characters, Conan Doyle is at the top of his form in these classic tales.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.