Popular Formats

PDF 12,940,049
ePub 12,085,750
Kindle 4,370,671
eReader 3,184,967
FictionBook 2,124,392
Large Print PDF 1,794,394
Mobipocket-mobi 1,758,412
Plucker 1,727,157
Palm Doc 1,714,192
iSilo 1,334,735
RTF 1,117,623
Cellphone (.jar) 988,532
Plain text 887,161
Sony (Librie, Reader) 643,093
Mobipocket 566,946
Custom HTML 365,175
Microsoft LIT 345,640
iPod 214,752
zTXT 48,830
Rocketbook 45,029
TCR 11,679
iPhone Books.app 5,756
Newton 3,088
Total: 48,278,023 downloads since June 1, 2009, or thereabouts.