"We think that with enough critical distance people can learn a lot from books that uncover the wicked underbelly of society" (Flavorwire, 2011).
These are books you may want to add to a TBR, particularly if you would like to be a little more risqué in your reading. It is unlikely to be a clickfest.
Below are reasons offered in the source article for the works being considered dangerous.
Seven Days in Rio: prejudiced
A Million Little Pieces: fraudulent
The Final Testament of the Holy Bible: blasphemous
Sarah: fraudulent
The Satanic Verses: blasphemous
The Jewel of Medina: blasphemous
The Prague Cemetery: blasphemous
The Turner Diaries: racist
The Elementary Particles: blasphemous
The Virtue of Selfishness: too paradoxical to merit serious discussion