CASTLE fans, series creator Andrew Marlowe announced in a recent interview; the third Nikki Heat book will debut in the fall! In the interview Marlowe teased that “Castle is writing a book and we’re going to touch on that by the end of season 3, his new book is called Heat Rises and he is actually hard at work on that and will be available in the fall at a real bookstore near you.” Until the fall and we get to enjoy some more Heat; the next episode of Castle premieres on Monday 22nd February, the first in an epic two parter guest starring Adrian Pasdar best known as Nathan Petrelli from Heroes.