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🧩 Unlock your brain’s full potential—one puzzle at a time!
399 Games, Puzzles & Trivia Challenges is a scientifically designed brain training book featuring a diverse collection of puzzles that target six essential cognitive functions. With difficulty levels ranging from easy to expert, it offers a fun, daily 10-15 minute workout proven to stimulate neurogenesis and keep your brain young, agile, and sharp.


| Dimensions | 18.42 x 2.54 x 23.5 cm |
| Edition | Illustrated |
| Isbn 10 | 0761168257 |
| Isbn 13 | 978-0761168256 |
| Item Weight | 1.05 kg |
| Language | English |
| Print Length | 424 pages |
| Publication Date | 25 Sept. 2012 |
| Publisher | Workman Adult |
User
Good variety of puzzles
This brain training book for adults is really useful and has a good variety of puzzles to solve to keep your brain active. I particularly like the fact that that it’s is very informative at the start of the book. Plenty to keep you going for a while. Very good value.
User
Fun
Fun but I’m not American so don’t know some of the general knowledge questions
User
good
fun and interesting tests, but lots of questions about the USA so if you don’t know a lot about it or live there, a lot of the questions are a waste
User
Amazing book
Great book
User
Very disappointed
Quite expensive for a puzzle book. It should be made clear in the description that this is for Americans . I feel cheated as I was greatly looking forward to it Many questions useless as aimed at America.
User
Not fun
Too many American based questions
User
USS content not appropriate
A mixture of general knowledge and lists with a few brain teasers. Some types of puzzle repeated. Many of them rely on popular US culture and history, so impossible for us Brits, eg. Finish the jingle and Alma's shopping list, which are for products we don't have. Disappointing.
User
Great if you’re from the US. Some good universal stuff…
Some good universal games but sooo many US references like tv Jingles, shape of US states. Nice book though.
User
Certainly helps your knowledge of the general aspects and USA specifically
Excellent but designed for US market and as such a strong bias towards US knowledge required
User
332 pages of brain challenges!
At 79, I know that my brain is not as sharp as it was. I was having more problems being able to pull up words when I wanted, and it is frustrating! This book is 332 pages long, and contains 399 games, puzzles and trivia that are built to "exercise" your brain. They are supposed to target the six key cognitive functions....long term memory, working memory, executive functioning, attention to detail, multitasking and processing speed. It is really a fun book! I am definitely a word person, and there are so many fun word games that have challenged me to think in different ways. I am finding where my strengths and weaknesses are, that's for sure. It tests your memory in lots of ways, and seems very tailored to the senior age group with a lot of the trivia type questions. I am finding it hard to just stop at a few of the challenges each day, it is that much fun! A great book, well worth the price as it is packed full of "challenges."
User
Einer der besten Rätselbücher!
Ich bin ein richtiger Fan von Logik und Matherätsel. Das Buch ist genau das richtige für mich und meiner Freundin. Wir haben richtige Rätselstunden mit dem Buch.
User
America only.
It is only for people very very femilier with Amiracan culture and its history.
User
Perfect gift for retiree
This book is fun and educational.It is based however for the USA, being a Canadian It would be even better if it had general overall information.
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