Sentence:  Its singularly serendipitous nature lends itself to romantic novelisation (book cross-dressing, as it were) or <WSD>Ludlumesque</WSD> thrillers (book double-crossing, so to speak). 
Meaning of the word marked with <WSD> tags:  Plotted in the style of Robert Ludlum's novels, noted especially for their intricate and extensive use of thriller tropes.