UNESCO Collection of Representative Works

UNESCO Collection of Representative Works names 770 books; ReadingRate holds 51 of them, listed here. The most approachable of them is Memed, My Hawk by Yasar Kemal (difficulty 25/100, about 5.4 hours); the hardest is Dream of the Red Chamber by Cao Xueqin (78/100).

Questions

How many books are on UNESCO Collection of Representative Works?
770. ReadingRate holds 51 of them, each with how hard it is to read and how long it takes.
Which book on UNESCO Collection of Representative Works is the easiest to read?
Memed, My Hawk by Yasar Kemal, difficulty 25/100, about 5.4 hours. The hardest is Dream of the Red Chamber by Cao Xueqin, at 78/100.
How long would it take to read every book on UNESCO Collection of Representative Works?
About 563 hours for the 51 books ReadingRate measures, at 250 words a minute adjusted for each book's difficulty: 282 days at two hours a day.

Other lists: Penguin Classics Collection, Penguin Modern Classics, NYRB Classics, Everyman's Library, Library of America, Biblioteca Ayacucho, Bibliothèque de la Pléiade, Heinemann African Writers Series, Oxford World's Classics. All lists.