The sixth Septimus Heap book, Darke, will come out on April 8, 2011.
The cover for the seventh Maximum Ride book, Angel is shown below.
The Lost Hero, the first book in the Heros of Olympus series, comes out on October 12th.
The second book in the Maze Runner series, The Scortch Trials, comes out on October 12th.
The fifth book in the Blue Bloods series, misguided Angel, comes out on October 26th.