464 pages • 2012 • 9 editions

fiction science fiction adventurous challenging medium-paced

320 pages • 2013 • 7 editions

fiction science fiction adventurous slow-paced

492 pages • 2014 • 9 editions

fiction science fiction adventurous medium-paced

352 pages • 2014 • 10 editions

fiction science fiction adventurous slow-paced

171 pages • 2015 • 6 editions

fiction science fiction adventurous fast-paced

368 pages • 2015 • 6 editions

fiction science fiction adventurous challenging fast-paced

35 pages • 2015 • 3 editions

fiction science fiction adventurous challenging medium-paced

400 pages • 2015 • 6 editions

fiction science fiction adventurous mysterious medium-paced

86 pages • 2015 • 2 editions

fiction science fiction adventurous challenging slow-paced

432 pages • 2016 • 6 editions

fiction science fiction short stories adventurous slow-paced