Popular Formats

PDF 12,270,886
ePub 11,621,623
Kindle 4,289,324
eReader 3,141,121
FictionBook 2,093,485
Large Print PDF 1,726,248
Plucker 1,698,020
Palm Doc 1,684,019
Mobipocket-mobi 1,663,125
iSilo 1,305,424
RTF 1,078,437
Cellphone (.jar) 966,468
Plain text 886,895
Sony (Librie, Reader) 614,465
Mobipocket 536,280
Custom HTML 356,386
Microsoft LIT 317,486
iPod 186,518
zTXT 37,814
Rocketbook 34,020
TCR 9,705
iPhone Books.app 5,754
Newton 3,038
Total: 46,526,541 downloads since June 1, 2009, or thereabouts.