Online social media (blogs, twitter, Facebook)

Online book publishing website (prpbooks.com, zondervan.com, etc.)

Online book social media (Goodreads, LibraryThing)

Online book seller (Amazon, cbd.com, wtsbooks.com)

Print book seller catalog (CBD Catalog, Crossway Catalog)

Print media (Tabletalk, World Magazine, Christianity Today)

Print book review (newspaper review section, magazine review, etc.)

Word of mouth (friend, pastor, etc.)

Other: