Espinas by Robert Silverberg

In a world where the boundaries between reality and illusion blur, a group of individuals embarks on a journey to uncover the truth behind a mysterious phenomenon that alters their perception of time and space. As they delve deeper into this enigmatic realm, they grapple with existential questions and face challenges that test their understanding of identity and consciousness. The narrative weaves together elements of science fiction and philosophical inquiry, creating a tapestry of intrigue and introspection that leaves readers pondering the nature of reality itself.