Sorry for the near two year bump but did you get into any more of Horowitz's work after? I thought Magpie Murders was great and am about 3/4 ways through The Word is Murder and really liking it. Well constructed mysteries, easy to read and not too taxing.I'm currently reading Anthony Horowitz' The Word Is Murder which I think is great. I really like his style of writing in the Magpie Murders and will read more of his books after these.
So looking to continue wit more of his stuff but don't know which of his James Bond / Sherlock Holmes or his own stuff is worth checking next.