1) Even though the phone box looks a bit like a Tardis, it isn't anything like a Tardis. It's not a live, or sentient. It's an object, manipulated by various forces and beings. I was very explicit when we were working on the book. This is not a Dr. Who fan fic. This is its own thing. Everyone loves Dr. Who, and the writers there are doing fine without our help. If you're a Dr. Who fan, you may or may not like this book but it will start you on the wrong foot if you think it's going to be like Dr. Who. It's much darker.
2) The book is full of swearing. There are a couple of sex scenes, even a bit graphic, though completely in context with the story and characters. There is a lot of violence. One of the writers at the launch party pointed out that there are fifty deaths for every sex scene. I think she might have been exaggerating, but a number of people do die, some kind of horrificly.
3) There is a Dramatis Personae in the book. If you have a physical copy, it's in the back and you can flip back to it to remind yourself if you don't remember who someone is. In the eBook, we chose to make it a separate document because it's a pain in the neck to move backwards and forwards in an eBook. You lose your place, and stuff. You can download the Dramatis Personae here (directly to your device). Or you can print out the pdf version. It's not very long.
There's a lot of stuff to discover in this story. It might demand a bit more of you than some books. But it will worth it, in my opinion, if you stick with it. (I hope so anyway!)
Write to me. Tell me what you think of it. Ask questions. Try to stump me. (It's possible actually, since I didn't write the whole thing. I keep discovering little details I hadn't noticed or known. Like the fact that Safran Alef's name means 'Librarian A.' Uri Kurlianchik informs me that this means he's either the first librarian or the best librarian.