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I read the books "Pardus". It is very interesting. It tells about a boy Nikita Legostaeva. He gets to the lab, and they make from it human mutant. But he is still on the good side. But not telling parents that is a Panther. Later he falls in love with Xenia Voropayeva, who is indefferent to him. And a falls in love Tessa. In the end, he stays with Tessa.