Popular Formats

PDF 13,085,509
ePub 12,250,131
Kindle 4,396,866
eReader 3,200,836
FictionBook 2,135,635
Large Print PDF 1,820,563
Mobipocket-mobi 1,781,324
Plucker 1,738,040
Palm Doc 1,724,992
iSilo 1,345,442
RTF 1,133,529
Cellphone (.jar) 997,362
Plain text 887,238
Sony (Librie, Reader) 654,406
Mobipocket 578,471
Custom HTML 366,841
Microsoft LIT 355,977
iPod 225,244
zTXT 52,708
Rocketbook 49,112
TCR 12,390
iPhone Books.app 5,756
Newton 3,105
Total: 48,801,477 downloads since June 1, 2009, or thereabouts.