"Nemesis" by Agatha Christie

There's no question that this is my least favorite Miss Marple book. Not like I hated it or anything, but if I were to rank them, this one would be at the bottom. (Yes, I know I have not finished all of them yet, but I'm already halfway through the last novel and my current impression is that it may actually be my most favorite; then there's one more book of short stories, which I can't imagine being either my least favorite or my most.)

The annoying thing about Nemesis is that Miss Marple (and, thus, the reader) is so in the dark throughout the entire thing. Not only is there a mystery, but it is a mystery as to what the mystery is. (Even typing that makes me want to roll my eyes.) I found it quite frustrating. It somehow made it feel boring without actually being boring.

Mr Jason Rafiel (Miss Marple's partner in crime-detection from A Caribbean Mystery) has passed on (no, he wasn't murdered!) and has left Miss Marple a mystery to solve. But he refused to leave her any information as to the nature of that mystery. It's all up to Jane to figure it out. Little bits of information drift her way, and she's got to sort through them  and determine what may be significant. After a few days of wondering, she's told Mr Rafiel had paid for Miss Marple to go on a tour of famous English houses and gardens. Maybe the mystery involves one of the other guests on the tour? Then she is invited to spend a few days at the house of three sisters who knew Mr Rafiel. Maybe the mystery involves one of the sisters? 

I didn't really guess what the mystery was (it's all so vague, right up until the time it's actually explained) but by page 242 (out of 265 . . . so, with no time to spare!) I almost guessed whodunnit. I was off by one degree of separation as to the who, but I knew the what and the where before it was made plain.