4 books in series
The Code Busters Club
The Code Busters Club is a 4-book series with 4 released primary works first released in 2011 with contributions by Penny Warner.
#1
#1 of 4 in The Code Busters Club
2011 • 1 Reader • 209 pages • 3
#2
#2 of 4 in The Code Busters Club
2012 • 2 Readers • 212 pages • 3.5
#3
#3 of 4 in The Code Busters Club
2013 • 1 Reader • 3
#4