Death of a Nag is a mystery novel by M.C. Beaton, published in 1988. This book is the sixth installment in the Hamish Macbeth series. It follows Scottish police officer, Hamish, as he investigates the death of a guest at a Christmas party. The novel contains a delightful read that combines humor, suspense, and a charming cast of characters. The author’s writing style is engaging and witty, and her descriptions of the Scottish countryside are vivid and evocative.