The book is a personal account of the author's experiences during the Spanish Civil War, specifically his time with the POUM (Partit Obrer d'Unificació Marxista) militia in Catalonia. He provides an in-depth look at the social revolution that took place, the daily life of a soldier, the political infighting and betrayals among the Republican factions, and his eventual disillusionment with the cause he initially supported. The book is both a war memoir and a detailed analysis of a complex political situation.

"The Great Terror" is a comprehensive analysis of Joseph Stalin's purges in the Soviet Union during the 1930s. The book delves into the brutal and systematic elimination of potential political rivals, intellectuals, and ordinary citizens, who were falsely accused of espionage, sabotage, or being counter-revolutionary. It provides a detailed account of the show trials, executions, and forced labor camps, shedding light on one of the darkest periods in Soviet history.

This book delves into the final days of Adolf Hitler's life, providing a detailed account of the events that unfolded in his bunker during the last ten days of World War II. It is based on interviews with surviving members of Hitler's close circle and other witnesses, as well as captured German documents. The author presents an in-depth analysis of Hitler's mental state, his relationships with his staff, his suicide, and the subsequent cover-up by his loyal aides. The book also debunks various myths and rumors about Hitler's death and escape.

"A People's Tragedy" is an in-depth exploration of the Russian Revolution from 1891 to 1924. The book offers a comprehensive study of the Revolution's roots, its progression, and its aftermath, from the famine that gripped Russia in the 1890s, through the abdication of Tsar Nicholas II, to the establishment of the Bolshevik regime and the death of Lenin. The author uses a broad range of sources, including personal letters, diaries, and government documents, to present a detailed, humanized view of the Revolution's impact on everyday individuals, bringing to life the experiences of peasants, workers, soldiers, and intellectuals.