"When I saw those hundreds of journals, I felt for a long moment that I had become that old biologist after all. That's how the madness of the world tries to colonize you: from the outside in, forcing you to live in its reality." Area X. A section of the Southern Reach that has completely excluded itself form mankind. A pristine wilderness with no trace of the human race. No trace except the lighthouse and the mysterious, cavernous tower. For years the government has sent expeditions into Area X to study it. The twelfth expedition is all female. A biologist, an anthropologist, a surveyor, and a psychologist. No names. Just titles. We are following the biologist, a woman who volunteered for Area X after her husband mysteriously returned home from the 11th expedition a completely different man. Changed and yet the same until a cancer caused by Area X took his life. The biologist is determined to discover all that she c...