This book uses the shocking Eleven Statements such as Oath of Oath, Letter of Death, and Letter of War as clues, and selects the touching stories of 11 revolutionary heroes who did not fear bloodshed and sacrificed for the cause of revolution, and committed themselves to the party. Among them, the Letter of War written by the martyr Xunhuaizhou going north to fight against Japan and destroy the enemy, the Letter of Tuo Gu written by the martyr Wang Erzhuo If the revolution fails, he vowed not to go home, and the martyr Chen Yian If he dies, he will die. Ask someone to bring back a wordless letter with no words from his family; Xia Minghan martyr killed Xia Minghan, and there will be others who came after him; Determination Book, etc., truly and vividly show the soul-stirring and epic revolutionary deeds of revolutionary heroes, as well as their unswerving commitment to ideals and beliefs. Reading them gives people strength, thinking and enlightenment. This publication is in English.