Recs if you like The Mind Of Mr J.G. Reeder...

Shorter books (under 200 pages) that are part of at least one quest. Many are also in the public domain, making them easily accessible when you want to grind for that next badge.

Called "the definitive library of mystery fiction". Howard Haycraft originally published the list in 1941 in Murder for Pleasure. It was updated and broadened by Ellery Queen. This is the final revision, including books from 1748 to 1952.

These books are historically significant because of their influence on the development of crime fiction, however books from these times often contain bigoted and otherwise offensive content.

I haven't read them all, or even a high percentage. I'm trying to keep track of how many on this list I read.

I could only find a Spanish language version of A Case to Answer by Edgar Lustgarten.