[pnm]

we all knews this to be true of course

https://www.theguardian.com/lifeandstyl ... t-dementia


so get these books for example:
https://www.amazon.com/gp/product/1524880493
https://www.amazon.com/gp/product/1524880515
(I made the Calcudoku and Futoshiki puzzles for these books)

or this one:
https://www.amazon.com/Best-Brain-Exerc ... B09M5L99T2