Official author and publisher pages are the foundation for current series details.
Primary sources for series facts
Current series identification, author names and official book lists are checked against author or publisher pages. Retailer listings are not treated as the final authority because they may mix bundles, adaptations and short works.
Genre and reader guidance
Genre pages use broad literary concepts such as pace, danger, risk, surprise, journey, continuity and appeal factors. The American Library Association’s YALSA genre guide is one useful background source for the cross-genre nature of action fiction.
What we infer
Comments about likely reader fit are editorial analysis. They are distinguished from facts such as the official first title or the existence of a series.