Pubmark

4.6

AudiobooksNow com

4.1

GLOBOOK PTE LTD

4.4

Barnes & Noble

4.5

Pocketbook International SA

4.1

Blinks Labs GmbH

4.6

Storytel Sweden AB

4.2

Kobo Books

3.7

Midwest Tape LLC

4.7

STAR READING LIMITED

4.5

Pocket FM Corp

4.5

OverDrive Inc

4.8