The title to the 20th book in the Undercover Brothers series has been revealed at the S&S site. "Feeding Frenzy" is scheduled to be released in January of 2008.
(http://www.hardyboyscasefiles.com/images/comingsoon/UB000.jpg) (http://www.simonsays.com/content/book.cfm?tab=4&pid=586084)