7 books in series

Breakthrough

Breakthrough is a 6-book series with 6 primary works first released in 2013 with contributions by Michael C. Grumley.

Genesis
#0.5

1 Reader • 49 pages

Breakthrough
#1PopularFirst

2013 • 22 Readers • 322 pages 3.9

#2

2014 • 9 Readers • 484 pages 3.7

#3

2015 • 6 Readers 3.8

#4

2016 • 6 Readers 4.3

#5

2019 • 6 Readers 4.5

#6

2021 • 4 Readers • 344 pages 4.5