Yanek Gruener must survive the unimaginable horrors of ten Nazi concentration camps during World War II after being stripped of his family and freedom. As a Jewish boy in 1930s Poland, Yanek faces relentless persecution, his identity reduced to the tattooed number B-3087 on his arm. He is thrust into a brutal cycle of forced labor and starvation, confronting unimaginable evil while clinging to fleeting glimpses of hope. The narrative framework follows Yanek's desperate struggle for survival, emphasizing his internal battle to retain his humanity and sense of self amidst the pervasive terror.

Based on an astonishing true story, Prisoner B-3087 chronicles the harrowing experiences of Yanek Gruener, a Jewish boy forced through ten concentration camps during World War II. The narrative focuses on his relentless fight for survival, the atrocities he witnesses, and his internal battle to preserve his identity and hope amidst profound suffering. The book is noted for its unflinching portrayal of historical events and its emphasis on the resilience of the human spirit. Its grounding in a true account lends a powerful weight to Yanek's story, making it a significant exploration of one individual's endurance through one of history's darkest periods.