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Contests for Adults For Younger Readers

Bookbitch Contests New contest
Chances to win 7 autographed thrillers (ends Jul 31, 18+).
BookReporter Summer Reading 2019
Different titles offered through the summer (ends Aug 31).
BookReporter Word of Mouth Contest New contest
The Chain, The Nickel Boys (ends Jul 26).
Fresh Fiction Contests
Win a variety of books (ongoing).
Goodreads Giveaways
Win a variety of prerelease books.
James Patterson Contests New contest
Win Filthy Rich (ends Jul 18, US & CA, not Quebec, 13+).
Lady in the Lake Giveaway New contest
Win Laura Lippman's latest mystery (ends Jul 21, US, 16+).
Myshelf.com Contest
Win books and audiobooks (ongoing, US).
Never Have I Ever Giveaway New contest
Win Joshilyn Jackson's latest novel (ends Jul 25).
Read It Forward Giveaway
Weekly chances to win books (ongoing, US, 18+).
Reader Views Contests
Win a variety of books (ongoing, US & CA, 18+).
Smokescreen Giveaway New contest
Win Iris Johansen's latest (ends Jul 21, US, 16+).
Sounding Off on Audio Contest New contest
Lock Every Door, Window on the Bay audiobooks (ends Aug 1).
Writerspace Contests
Win ebook readers, books, gift certificates, much more (ongoing).

For Younger Readers Contests for Adults
Epic Reads Contests
Win ARCs of various YA novels (ongoing).