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TL;DR: Based on the true story of Jack Gruener, ten-year-old Yanek Gruener lives in Kraków, Poland, when the Nazis invade. His family is forced into the ghetto, and he is eventually sent through ten different concentration camps, including Auschwitz, Birkenau and Dachau. Losing everyone he loves, Yanek holds on to his identity and survives until liberation.
Table of Contents
Prisoner B-3087 at a Glance
| Author | Alan Gratz |
| First published | 2013 |
| Type | Historical novel |
| Best for | middle-grade and teen readers learning about the Holocaust |
Prisoner B-3087 is a historical novel by Alan Gratz, published in 2013. It is based on the real experiences of Holocaust survivor Jack Gruener. Below you will find a part-by-part summary, five key takeaways, ideas worth remembering and a note on who will enjoy it.
Content note: Includes violence, death, starvation and the horrors of the Holocaust.
Main Characters
- Yanek Gruener: A Jewish boy who survives ten camps.
- Yanek's parents: They are taken away and killed.
- Uncle Moishe: Yanek's uncle, who hides in the ghetto.
- Fellow prisoners: People who help Yanek survive.
- The Nazis: The guards and officers who run the camps.
What Happens, Part by Part (Contains Spoilers)
The invasion
In 1939, Germany invades Poland. Yanek's family is forced to move into the Kraków ghetto, where conditions are cramped and dangerous. Yanek's friends and relatives disappear.
Losing family
Yanek's parents are taken away. Yanek hides in a secret space with relatives. Eventually, the ghetto is cleared, and Yanek is sent to the Płaszów camp.
The camps
Yanek is moved from camp to camp: Płaszów, Auschwitz, Birkenau and others. He is tattooed with the number B-3087. He faces starvation, beatings and endless work. He learns to survive by keeping quiet and helping others.
Death marches
As the Allies advance, Yanek is forced on death marches through freezing snow. Many die. Yanek keeps going, holding on to his name and identity.
Liberation
At Dachau, American soldiers liberate the camp. Yanek, weak and alone, survives. He eventually moves to America, rebuilds his life and later shares his story.
5 Key Takeaways
- Human cruelty can be extreme.
- Survival requires hope and luck.
- Identity can be preserved in impossible conditions.
- History must be remembered.
- Small kindnesses can save lives.
Ideas Worth Remembering
These are paraphrased, not direct quotes:
- A name matters more than a number.
- Hope is a form of resistance.
- Remembering honors those who were lost.
Who Should Read Prisoner B-3087?
Read Prisoner B-3087 if you want to understand the Holocaust through a young person's story. It suits readers about 11 and up.
About Alan Gratz
Alan Gratz is an American author born in 1972 in Knoxville, Tennessee. He writes historical fiction for young readers, including Refugee, Ground Zero and Allies. He worked with Jack and Ruth Gruener to tell Jack's story in Prisoner B-3087. His books are widely used in schools to teach difficult history.
Questions to Think About After Reading
These prompts work for solo reading, a book club or a classroom discussion of Prisoner B-3087:
- How does Yanek keep his identity?
- Why is it important to remember the Holocaust?
- What helped Yanek survive?
How to Use This Summary
Use this page as a quick reference before a book club meeting, an exam, or a decision about whether Prisoner B-3087 is worth your time. The takeaways are written to stand on their own. If a point interests you, go back to the book for the author's full story, characters and style, which no short summary can replace.
A Note on Accuracy and Spoilers
This summary is based on the published text of Prisoner B-3087, not on any film, series or stage adaptation, which often change the story. Details are kept at the level of the main events so that nothing is invented. Editions differ slightly in length and wording, so page numbers and small details may vary between copies.
Should You Read the Book?
Yes. It is powerful and accessible, though very disturbing. It is often taught in schools.
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What to Read Next
- Refugee by Alan Gratz: three refugee children across history
- Night by Elie Wiesel: a memoir of the Holocaust
- Number the Stars by Lois Lowry: a girl helps save her Jewish friend
Related: 15 Books Like Prisoner B-3087 You’ll Love
Frequently Asked Questions
What is Prisoner B-3087 about?
A Jewish boy survives ten Nazi concentration camps.
Who wrote it?
Alan Gratz, in 2013.
Is it a true story?
It is based on the real story of Jack Gruener.
What does B-3087 mean?
The number tattooed on Yanek's arm.
How many camps did he survive?
Ten.
Where was he liberated?
At Dachau.
What age is it for?
About 11 and up.
How long is it?
About 260 pages.
Did Jack Gruener live in America?
Yes, he settled in the United States and shared his story.
Is it taught in schools?
Yes, often in middle schools.
What is the Kraków ghetto?
An area where the Nazis forced Jewish families to live in crowded, harsh conditions.
What were death marches?
Forced marches of prisoners near the end of the war, in which many died.
Who was Jack Gruener?
The real Holocaust survivor whose life inspired the book.
Who are the main characters in Prisoner B-3087?
The main characters are Yanek Gruener, Yanek's parents, Uncle Moishe, Fellow prisoners and the Nazis. Yanek Gruener: A Jewish boy who survives ten camps. Yanek's parents: They are taken away and killed. Uncle Moishe: Yanek's uncle, who hides in the ghetto.
Is Prisoner B-3087 worth reading?
It depends on what you want. The book is best for middle-grade and teen readers learning about the Holocaust. If that describes you, it is likely a good fit. If not, the titles under What to Read Next may suit you better.