Popular Formats

PDF 12,658,221
ePub 11,830,475
Kindle 4,326,093
eReader 3,158,420
FictionBook 2,104,881
Large Print PDF 1,754,704
Plucker 1,708,591
Palm Doc 1,695,274
Mobipocket-mobi 1,694,458
iSilo 1,316,136
RTF 1,092,676
Cellphone (.jar) 976,596
Plain text 887,013
Sony (Librie, Reader) 624,914
Mobipocket 547,621
Custom HTML 359,771
Microsoft LIT 327,518
iPod 196,820
zTXT 41,963
Rocketbook 37,894
TCR 10,430
iPhone Books.app 5,754
Newton 3,067
Total: 47,359,290 downloads since June 1, 2009, or thereabouts.