TY - BOOK AU - Dixon, Franklin W. TI - The Hardy Boys, undercover brothers. #28, Galaxy X T2 - Hardy boys, undercover brothers SN - 9781416978015 U1 - 823.912 PY - 2009/// CY - New York PB - Aladdin Paperbacks N2 - A new theme park is about to open, but someone wants to stop it. The park's owner has received threatening e-mails, and accidents are becoming more frequent. Frank and Joe must find the saboteur or someone could get seriously hurt ER -