Death of an Expert Witness

I finished P.D. James Death of an Expert Witness.  It took me a while.  It was a good book-- kind of a classic.  James gets rave reviews as a mystery writer.  I must admit, I never knew who did it until about the last 10 pages, which is a good thing.  The book is very "literary."  Every character and scene is meticulously described.  I decided you just have to enjoy the process of reading and the rhythm of her descriptions.  Remember, I'm a plot person, so sometimes I become impatient.  I've heard of this book for a long time (it was written in 1977) and not long ago read a positive review of it, so I decided it would be on my reading list.  I'm glad I read it but I don't think I'll read any of her other books.