Ing umur 24 taun, nalika kerja minangka wartawan finansial, Wickham nulis novel pisanané. "The Tennis Party" langsung diarani minangka suksès déning kritikus lan masarakat umum lan dadi sepuluh novel paling laris. Dhèwèké banjur nyithak enem novel kaya Madeleine Wickham: "A Desirable Residence", "Swimming Pool Sunday", "The Gatecrasher", "The Wedding Girl", "Cocktails for Three" and "Sleeping Arrangements" . 