I love this. It's an autobiographical account of Art Spiegelman's father telling him an account of his experiences in a Jewish ghetto and in Auschwitz during World War Two. But the imagery of the graphic novel is interesting too. Jewish people are depicted as mice, which has connotations of hiding and being constantly hunted. The Nazis are portrayed as cats, the Polish as pigs (I'm not sure why this is) and the Americans as dogs, because they save the mice (Jews) from the Nazis (cats). They all wear human clothing and act like people. 
 I really liked the way Art incorporated stories inside the main story, not necessarily in chronological order but there to explain the kind of relationship he had with his mother and father, and the kind of strained relationship his father had with his new wife Mala after the war. The book is painfully honest, it holds nothing back regarding he character's thoughts and feelings. Despite the harrowing and sometimes horrific nature of the story, it's not overly sentimental. There are bits that make you smile, and bits that make your heart crumble around the edges.