It must be difficult to be N.T. Wright. The man publishes so many books that sometimes the books aren't even his. Check out the sleuth work of Michael Bird here. If this "marketing snafu" teaches us anything it is that you can co-write a book with whomever you like and then just apologize for the misunderstanding.
In related news, J.D. Salinger and I are working on a new project together. Title and topic to be determined, but I'm pretty sure it will include zombies, a talking Jesus-lion, and an unlikely young wizard named Harry Potter.