"The Man Who Was Thursday: Horror" is a philosophical thriller from the famous English writer Chesterton H.K. The story revolves around the main character, Gabriel Syme, who falls into a secret organization with a restrained monstrosity of mysterious origins. His optimism and belief in his ideals are severely tested when it turns out that his friends and colleagues may not be what they first seem. Will Gabriel be able to solve the mystery of Thursday and reveal the true identities of his companions? This book invites the reader on an exciting journey into the world of intrigue, betrayal and philosophical reflection, where each twist can change everything and turn the world upside down to such an extent that it is impossible to distinguish friends from enemies."