Champion

From Author Wars - https://authorwars.com/books/champion-1640138.html

Overview:

2013 . Champion (2013, Marie Lu, G. P. Putnam's Sons, ISBN-10: 9780399256776, $18.99, 369 pages, Hardcover, Novel)
2013 . Legend Trilogy (2013, Marie Lu, G. P. Putnam's Sons, ISBN-10: 9780399166679, $54.97, 1088 pages, Hardcover, Omnibus)
2013 . Champion (2013, Marie Lu, Penguin Books, ISBN-10: 9780141339627, £7.99, 288 pages, Trade Paperback, Novel)
2013 . Champion (2013, Marie Lu, Putnam, ISBN-10: 9780698135413, $10.99, pages, ebook, Novel)
2013 . Champion (2013, Marie Lu, Penguin Books, ISBN-10: 9780141339634, £4.99, pages, ebook, Novel)
2013 . Champion (2013, Marie Lu, Thorndike Press, ISBN-10: 9781410462022, $23.99, pages, Hardcover, Novel)
2014 . Champion (2014, Marie Lu, Speak / Penguin Books (US), ISBN-10: 9780147512284, $9.99, 400 pages, Trade Paperback, Novel)
2014 . Champion (2014, Marie Lu, Turtleback Books, ISBN-10: 9780606366052, $20.85, 400 pages, Hardcover, Novel)