A traditional collection of adventure stories, short stories and essays by Soviet writers. The collection includes the following stories and short stories: "Flag on the Hafel" by M. Bozhatkin, "Clean Snow River" by G. Semar, "Red Rocket" by S. Naumov, "First Investigation" by A. Ivanov, "Guest" by F. Shakhmagonov and E. Zotov, "In the Wake of a Chance Meeting" by L. Vasilevsky, "Stories about Kamo" G. Petrosyan, "Spy" I. Kurchavov, "Fear" A. Bezuglov, "Test" V. Pronin, "Reception at half past four" V. Chvanov.