50 Logic Puzzles: Full of Fun Logic Grid Puzzles!: Volume 2 (Brain Teaser Puzzle Books)

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A custom-labeled grid is provided for every puzzle, like the one you see to the right. The grid allows you to cross-reference every possible option in every category. You can eliminate pairs you know aren't true with an X, and pencil in pairs you know are related with an O. If you know, for example, that Lauren wasn't born in 1961, you can add an X in the box where the Lauren column and 1961 row meet. Similarly, if you know that Bryant was born in 1971, you can add an O in the appropriate box. Furthermore, since every option can only be used once in any given puzzle, you can eliminate the four other options for Bryant in that category (1937, 1946, 1961, 1975) and the four other options for 1971 (Anahi, Jayden, Lauren and Nikolas). They don’t call it a treasure hunt. They call it a ‘puzzle hunt.’ But it is very similar. Going to the MIT Mystery Hunt was one of the adventures in my book. It’s where I met the people who wrote the puzzles for my contest. It’s a crazy annual event. It’s like an ironman triathlon for nerds. It’s 2,000 of the smartest people you can imagine, who come to Boston to the campus of MIT and spend 72 hours solving about 150 of the hardest, most baffling puzzles you can imagine. It’s a team competition and the team that finds the penny on the MIT campus wins.

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Elonka Dunin teamed up with a German writer, Klaus Schmeh, who has a blog about cryptics and ciphers throughout history, and they wrote this book together. It’s a guide of how to break ciphers but you also get a lot of history, everything from World War Two to Roman ciphers. I just love it. Let’s go on to Masquerade by Kit Williams, which is an armchair treasure hunt. This was a big deal, I think. Lardone A, Liparoti M, Sorrentino P, et al. Mindfulness meditation is related to long-lasting changes in hippocampal functional topology during resting state: A magnetoencephalography study. Neural Plast. 2018;2018:5340717. doi:10.1155/2018/5340717 So first on your list is My Best Mathematical and Logic Puzzles by Martin Gardner. The publisher blurb suggests these are puzzles 9- to 12-year-olds can do so, hopefully, most people can manage them. Tell me a bit about this book. As well as being a puzzler yourself, you’ve now spent quite a bit of time with other people who spend a lot of time doing puzzles. Generally, based on yourself and your observation of others, what do you think attracts people to puzzles?

As someone who never managed to do more than one side of the Rubik’s Cube, I was quite impressed reading that chapter. Yes, the record is 3.5 seconds. It’s just mind-boggling. I can’t even twist it twice in 3.5 seconds.

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Logic puzzles come in all shapes and sizes, but the kind of puzzles we offer here are most commonly referred to as "logic grid" puzzles. In each puzzle you are given a series of categories, and an equal number of options within each category. Each option is used once and only once. Your goal is to figure out which options are linked together based on a series of given clues. Each puzzle has only one unique solution, and each can be solved using simple logical processes (i.e. educated guesses are not required).Even without the puzzles, I like the book for the writing alone. I love this line: “My preferred learning style has always been to jump off the cliff first and build a parachute on the way down.” I don’t agree with it. I think it’s a terrible life philosophy. But I love it. It’s so wittily expressed. M is a clever and funny writer.

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That’s a great introduction. Who doesn’t want to go and do hundreds of puzzles after hearing that? Which brings us nicely to the puzzle books you’re recommending. How did you set about choosing them?

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So words are my true love. But I grew to love all these other genres, including jigsaws, which I was very snobby about and looked down on. I was, ‘They’re not real puzzles.’ But I am a reformed jigsaw skeptic. I can officially say I am now a jigsaw lover. But I will say I gained respect for riddles because they can be poetry. It’s not just about solving the puzzle. They can be these extended metaphors that make you see life in a different way. Let me just read you one of my favorites. It’s from The Hobbit by Tolkien and I think it’s a lovely little bit of poetry.