Dan's next book?

According to his website his next book will be another Robert Langdon thriller. It is a sequel to The Da Vinci Code. Since his research and writing are so intense it usually takes him several years to write a book. As of right now the realease date for the new novel hasn't been set. The book is about the first time, Langdon finds himself embroiled in a mystery on U.S. soil and picks up where The Di Vinci Code left off. This new novel explores the hidden history of our nation's capital. http://www.danbrown.com/meet_dan/faq.html