The Forgotten Room(2005)
(The fourth book in the 2:52: Mysteries of Eckert House series)
A novel by Chris Auer
Many secrets come to light when twelve-year-old Dan Pruitt comes across the blueprints to Eckert House. He's certain he's found a hidden room. But when he and his friends set out to find it, they uncover more than a room. What they find will ultimately lead to danger; how will they keep their secret safe and protect themselves too?
Used availability for Chris Auer's The Forgotten Room
February 2005 : USA Hardback
January 2005 : USA Paperback
July 2010 : USA, Canada, UK Kindle edition