Dive into the intricate and thought-provoking worlds crafted by Colin Wilson in these two seminal novels, 'The Tower' and 'The Spider World'. 'The Tower' plunges readers into a gripping psychological horror, exploring a protagonist's terrifying encounter with malevolent forces and the fragile boundaries of human sanity. Meanwhile, 'The Spider World' presents a sprawling post-apocalyptic fantasy, where humanity battles for existence against a terrifying race of intelligent arachnids. Both works are quintessential Colin Wilson, delving into profound philosophical questions about consciousness, free will, evolution, and the boundless potential (or terrifying limits) of the human spirit. These stories challenge perceptions and leave a lasting intellectual imprint.