There will be no book!
Suck!
Book 5 of the Tunnels Series, titled Spiral, was released on 1 September 2011. A sixth book, titled Terminal, currently has an unknown publishing date.
It is already out and it is called Closer 4th book of the series.
The name of the sixth book is In Too Deep
As of November 2013, there is no release date for the sixth book in the A Song of Ice and Fire series.
The book has already been released. it is called Closer.
There won't be a sixth book of Percy Jackson Series. But there is a series connected to it coming out on October 12, 2010.
No, there will not be a sixth but there is another series continuing with new characters and old the series name is THE HEROES OF OLYMPUS and the first book of the series is called THE LOST HERO.
There is no sixth book but there is another series that goes along with the Percy Jackson series called the lost hero
The sixth book in the Baby-Sitters Club series is Kristy's Big Day by Ann M. Martin.
No there isn't a sixth book as of yet. The fifth book will be released on March 15th, 2014.
May 5th...it is called Spiral.
The title of the sixth Seekers series is Spirits In the Stars.