Oprah's Book Club

Oprah's Book Club names 24 books, every one listed here. The most approachable of them is An American Marriage by Tayari Jones (difficulty 36/100, about 5.3 hours); the hardest is Song of Solomon by Toni Morrison (68/100).

Questions

How many books are on Oprah's Book Club?
24, all of them listed here with how hard each is to read and how long it takes.
Which book on Oprah's Book Club is the easiest to read?
An American Marriage by Tayari Jones, difficulty 36/100, about 5.3 hours. The hardest is Song of Solomon by Toni Morrison, at 68/100.
How long would it take to read every book on Oprah's Book Club?
About 248 hours for the 24 books ReadingRate measures, at 250 words a minute adjusted for each book's difficulty: 124 days at two hours a day.

Other lists: Reese's Book Club. All lists.