Bookshelf-Your virtual library
SquidBit
Amazon Kindle
Amazon Mobile LLC
tbr
Nathaniel Kessler
StoryGraph
The StoryGraph
Goodreads
Google Play 북 - 전자책, 만화 및 오디오북
Google LLC
Bookshelf
Vital Source Technologies
FBReader Bookshelf
FBReader.ORG Limited
Deseret Bookshelf
Deseret Book
Cambridge Bookshelf
Cambridge University Press & Assessment