Popular Formats

PDF 12,294,597
ePub 11,652,113
Kindle 4,296,018
eReader 3,144,597
FictionBook 2,096,085
Large Print PDF 1,731,609
Plucker 1,700,596
Palm Doc 1,686,614
Mobipocket-mobi 1,668,023
iSilo 1,307,960
RTF 1,081,657
Cellphone (.jar) 967,917
Plain text 886,902
Sony (Librie, Reader) 617,011
Mobipocket 538,985
Custom HTML 356,665
Microsoft LIT 319,957
iPod 189,031
zTXT 38,562
Rocketbook 34,943
TCR 9,890
iPhone Books.app 5,754
Newton 3,043
Total: 46,628,529 downloads since June 1, 2009, or thereabouts.