Complex sentence: Patricia D. Maida-Nicholas B. Spornick: "Murder She wrote", p.105 He is not interested in Marple's cases, but in some novels (like "A Caribbean Mystery" and "At Bertram's Hotel") he supports Marple financially.
Split into simpler sentences: Patricia D. Maida-Nicholas B. Spornick: "Murder She wrote", p.105 He is not interested in Marple's cases. But in some novels (like "A Caribbean Mystery" and "At Bertram's Hotel") he supports Marple financially.