The X-factor: Book Three in the Galaxy X Trilogy (Hardy Boys (All New) Undercover Brothers)

MISSION: To find out who is responsible for Bret Johnston's death, and save Galaxy X from another tragedy!

LOCATION: Galaxy X, a new theme park in California.

POTENTIAL VICTIMS: Any number of A-list celebs invited to the grand opening of the park.

SUSPECTS: Tyrone McKenzie and his family seem to make enemies by the second. But is it a new enemy that wants to keep the park shut down? Or someone from the McKenzie family's past who has suddenly resurfaced...?