The novel tells the discovery of many people, two of them physicists, that the fifth dimension obeys a (species of spiritual) law of nature where Good and Evil control the lower dimensions.
ðə nˈɑːvəl tˈɛlz ðə dɪskˈʌvɚɹi ʌv mˈɛni pˈiːpəl, tˈuː ʌv ðˌɛm fˈɪzɪsˌɪsts, ðætðə fˈɪfθ dᵻmˈɛnʃən oʊbˈeɪz ɐ spˈiːsiːz ʌv spˈɪɹɪtʃˌuːəl lˈɔː ʌv nˈeɪtʃɚ wˌɛɹ ɡˈʊd ænd ˈiːvəl kəntɹˈoʊl ðə lˈoʊɚ dᵻmˈɛnʃənz.