Do you guys recommend this author's books such as https://www.amazon.com/Mathematical-Puzzles-Connoisseurs-Pet... ?
(It's hard to find the right search term for this that doesn't return a lot of non-mathematical brainteasers or stuff aimed at kids)
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Do you guys recommend this author's books such as https://www.amazon.com/Mathematical-Puzzles-Connoisseurs-Pet... ?
(It's hard to find the right search term for this that doesn't return a lot of non-mathematical brainteasers or stuff aimed at kids)