Popular Formats

PDF 13,356,855
ePub 12,584,368
Kindle 4,451,266
eReader 3,231,281
FictionBook 2,156,955
Large Print PDF 1,868,127
Mobipocket-mobi 1,825,234
Plucker 1,758,804
Palm Doc 1,746,218
iSilo 1,366,488
RTF 1,162,293
Cellphone (.jar) 1,009,717
Plain text 887,423
Sony (Librie, Reader) 674,778
Mobipocket 600,345
Microsoft LIT 375,849
Custom HTML 370,212
iPod 245,148
zTXT 60,376
Rocketbook 56,924
TCR 13,870
iPhone Books.app 5,757
Newton 3,119
Total: 49,811,407 downloads since June 1, 2009, or thereabouts.