"Slaughterhouse-5" is a novel written by Kurt Vonnegut and first published in 1969. The book is a semi-autobiographical work that tells the story of Billy Pilgrim, a soldier who becomes "unstuck in time" and experiences events from his life out of order. The book is set against the backdrop of the firebombing of Dresden, Germany during World War II, an event that Vonnegut himself survived as a prisoner of war.

The central theme of the book is the futility and inhumanity of war, and the ways in which it affects individuals and society. Through the use of science fiction elements, such as time travel and aliens, Vonnegut creates a unique and haunting perspective on the war and its aftermath.

The book is also known for its black humor and dark satire, which serve to highlight the absurd and illogical nature of war and violence. The characters in the book are portrayed as pawns in a larger, senseless conflict, and the book serves as a critique of war and the military-industrial complex.

Overall, "Slaughterhouse-5" is a powerful and timeless work that continues to captivate and challenge readers with its exploration of the human condition and the effects of war. Its themes of tragedy, loss, and the struggle for survival in the face of overwhelming odds make it a must-read for fans of contemporary literature and anyone interested in the human experience of war.