Popular Formats

PDF 12,928,304
ePub 12,071,449
Kindle 4,368,179
eReader 3,183,773
FictionBook 2,123,609
Large Print PDF 1,792,533
Mobipocket-mobi 1,756,442
Plucker 1,726,389
Palm Doc 1,713,446
iSilo 1,333,900
RTF 1,116,482
Cellphone (.jar) 987,838
Plain text 887,156
Sony (Librie, Reader) 642,366
Mobipocket 566,146
Custom HTML 365,042
Microsoft LIT 344,925
iPod 214,028
zTXT 48,550
Rocketbook 44,750
TCR 11,627
iPhone Books.app 5,756
Newton 3,087
Total: 48,235,777 downloads since June 1, 2009, or thereabouts.