2 books in series

Hardy Boys: Galaxy X

Hardy Boys: Galaxy X is a 2-book series with 2 released primary works first released in 2009 with contributions by Franklin W. Dixon.

#2
Cover 2

X-plosion

#29 of 26 in Hardy Boys: Undercover Brothers

2009

#3
Cover 3

The X-Factor

#30 of 25 in Hardy Boys: Undercover Brothers

2009