Popular Formats

PDF 11,793,530
ePub 11,055,608
Kindle 4,190,945
eReader 3,069,835
FictionBook 2,041,839
Plucker 1,645,919
Palm Doc 1,631,830
Large Print PDF 1,621,628
Mobipocket-mobi 1,568,562
iSilo 1,253,899
RTF 1,038,837
Cellphone (.jar) 938,360
Plain text 886,640
Sony (Librie, Reader) 589,402
Mobipocket 507,162
Custom HTML 352,549
Microsoft LIT 293,490
iPod 161,724
zTXT 29,418
Rocketbook 24,731
TCR 7,593
iPhone Books.app 5,754
Newton 2,990
Total: 44,712,245 downloads since June 1, 2009, or thereabouts.