thepointsguy.com

christianbook.com

idefix.com

taunton.com

free-ebooks.net

indigo.ca

blurb.com

alibris.com

waterstones.com

biblio.com

simonandschuster.com

bookdepository.com

jstor.org

ecampus.com

booktopia.com.au

aldaily.com

babelio.com

zinio.com

sagepub.com

poetryfoundation.org

barnesandnoble.com

leanpub.com

nybooks.com

goodreads.com

poets.org

nanowrimo.org

smashwords.com