Mark Simovich Efetov (December 8, 1907, Odessa - 1996). Russian Soviet writer. For more than half a century, Mark Efetov has been writing books for children. In them, he talks about what he himself took part in and what he knows well. This is how the stories of "Sveta" were written - about Sergeant Yakov Pavlov, with whom the writer was brought together by front-line friendship, "Grenade in Earflaps," "Valdai Bells," "Beasts on the Street," "Land of Fathers - Land of Children." "Igor Anchor" and "Vest - Sailor's Shirt" are books about the author's youth spent by the sea. The story "Letter on the Shell" about the pioneer camp Artek, about the international friendship of children, about the fate of a pioneer girl who visited Artek, and her engineer father, a participant in the war, who helped reveal the secret of the inscription on the turtle. Illustrated edition.