The problem of good and evil in the novel by K. S. Lewis "The Space Trilogy" Ludmila Efimova, Elena Aleksandrova, Natalia Shekhireva, Ekaterina Rozhina and Elena Gavrilova E3S Web of Conf., 389 (2023) 08031 Published online: 31 May 2023 DOI: 10.1051/e3sconf/202338908031