I mean, it comes as no surprise that this book is great fun. I haven't read lots of Christie yet, but have a feeling this will always be my favourite. The story is well-crafted and has inspired so many other works -- a group of strangers stuck somewhere with no escape, being killed off one by one -- it still works just as well here as in current reimaginings. I watched the Lifetime movie of this recently, and see how how that film adjusted some plot elements to round out some characters and add nuance to others; this book doesn't delve as much into their characters as I'd expected, but that's not the point; the point is just the non-stop suspense and fun.