The author's name is Christopher Tadgell, for which Goodreads has many other entries under his correctly spelled name.
EDIT: I have just spotted two additional entries under "Christ Tadgell". I'm sure the author would be flattered, but that spelling is incorrect as well.
EDIT: I have just spotted two additional entries under "Christ Tadgell". I'm sure the author would be flattered, but that spelling is incorrect as well.