Magpie Murders by Anthony Horowitz.  4/5 rating. 473 pages. Book #46 of 2023. Read November 14, 2023. This is a book-within-a-book of whodunnits. Susan, the editor of best-selling author Alan Conway is given his next manuscript. The first half or so of the book is her reading Alan’s version of “Magpie Murders”. This version follows…