Popular Formats

PDF 11,816,463
ePub 11,085,569
Kindle 4,196,885
eReader 3,072,761
FictionBook 2,043,814
Plucker 1,647,681
Palm Doc 1,633,655
Large Print PDF 1,625,771
Mobipocket-mobi 1,573,925
iSilo 1,255,709
RTF 1,041,557
Cellphone (.jar) 940,283
Plain text 886,643
Sony (Librie, Reader) 591,219
Mobipocket 508,992
Custom HTML 352,784
Microsoft LIT 295,153
iPod 163,440
zTXT 30,063
Rocketbook 25,422
TCR 7,756
iPhone Books.app 5,754
Newton 2,990
Total: 44,804,289 downloads since June 1, 2009, or thereabouts.