>That means that a lot of metadata is wrong or incomplete, and some books are uploaded in a dozen different versions and you don’t know which ones are high-qual

>That means that a lot of metadata is wrong or incomplete, and some books are uploaded in a dozen different versions and you don’t know which ones are high-quality and which ones are low-quality scans or outright corrupt files. The rule of the thumb is to ignore the metadata and just look for the highest id number.