The life of a dead man

"I closed my eyes and when I opened them, one second later, I was in a room where books occupy all corners, as if the presence of a person is an anomaly and error, and that the room is a small world inhabited by books only. He gives us his back, the man spoke without looking at us, as if he knew our existence beforehand. "
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In this novel, you find many lives, you want to live some of them, and some hate to live it, and some wish you would not meet their owner, even if by chance. What if you were in a previous life what you hate today, and are you afraid of it tomorrow? Will there be an animal in a new life, whose goal in life is not to be the food you eat now?