"Flashback" is an exciting science fiction novel written by the Swedish writer Jonas Jonsson. This book tells the story of a young boy who accidentally gains the ability to travel through time. He embarks on a journey through the past to right the wrongs of the past, but with each passage new mysteries and dangers are revealed. The author skillfully combines the scientific aspects of time travel with the emotional tension of the main character, which makes this book fascinating and thought-provoking. "Flashback" is an exciting journey through space and time that will leave you impressed and make you think about the meaning of every decision you make.