Fortress

C.J. Cherryh's Fortress series is a hard science fiction exploring themes of identity, culture, and the nature of consciousness through the experiences of a human raised by a sentient alien race, the "K'tharr." Known for its meticulous worldbuilding and deeply philosophical approach, the series presents a strikingly alien and often unsettling portrayal of communication and understanding across vastly different species. It’s a demanding but ultimately rewarding read that challenges conventional notions of humanity.