If you share exactly what file or output shows "gen lib rusec" (e.g., SQL dump, CSV header, error message), I can give more precise guidance.
Example (simplified table structure):
SELECT * FROM books WHERE gen_lib_rusec = 12345; rusec often correlates with Russian-language entries or dumps from libgen.rs (Russian domain). To find Russian fiction/non-fiction: gen lib rusec
CREATE TABLE books ( id INT, title TEXT, gen_lib_rusec INT, ... ); If you’re working with LibGen data: A. Querying for unique records Combine id + gen_lib_rusec to get a unique key (because id alone may repeat across dumps). If you share exactly what file or output