How To Count A Book:
1-100 pages rounds up to 1 Set.
101-200 pages rounds up to 2 Sets.
201–300 pages rounds up to 3 Sets. etc.
Simply round up to the nearest 100th.
How To Count Multiple Books:
Book A has 50 pages. Rounds up to 1 set.
Book B has 820 pages. Rounds up to 9 sets
Book A + Book B = 10 sets
Simply count a book, round up to proper sets, then add the sets.