The X-factor :
Dixon, Franklin W.
The X-factor : book three in the Galaxy X trilogy / Franklin W. Dixon. - New York : Alladdin, c2009. - 157 p. ; 19 cm. - (The Hardy boys : undercover brothers). .
978-1-4169-7802-2
Brothers--Fiction.
Undercover agents--Fiction.
F D621 2009
The X-factor : book three in the Galaxy X trilogy / Franklin W. Dixon. - New York : Alladdin, c2009. - 157 p. ; 19 cm. - (The Hardy boys : undercover brothers). .
978-1-4169-7802-2
Brothers--Fiction.
Undercover agents--Fiction.
F D621 2009