I wonder if this book will have a railway connection. There is a book by George Bradshaw
of railway journeys that has been used as the basis for Michael Portillo's TV series (I haven't seen it myself) called Bradshaw's Handbook 1863
It seems that Bradshaw was something of an early railway fanatic, who published books of railway timetables as well as guide books on various railways both in the UK and abroad. I wouldn't be at all surprised if this is a tie in book for Raising Steam.
"Goodness is about what you do. Not what you pray to."