4.01 avg rating — 594,916 ratings

"Easy to follow . Interesting subject"

4.09 avg rating — 1,297,287 ratings

"Romance at its best"

3.83 avg rating — 913,787 ratings

"The hype around a subject not talked about much . Writing is simple "

3.80 avg rating — 3,897,279 ratings

"A classic "

4.15 avg rating — 10,582 ratings

"Love the colourful drawings "

4.07 avg rating — 141,708 ratings

4.26 avg rating — 986,957 ratings

4.11 avg rating — 544,637 ratings

4.17 avg rating — 195,867 ratings

4.24 avg rating — 776,596 ratings

3.83 avg rating — 1,337,589 ratings

4.36 avg rating — 94,570 ratings