Moderately Popular Fiction on LibraryThing
From the FICTION tag on LibraryThing, these have been tagged from around 80 to 150 times. Most 21st century books, but a couple of monumentally big 20th century books slipped through, perhaps because of having new editions in the 21st c.
avg. score: 10 of 300 (3%)
required scores: 1, 3, 6, 9, 17