Marilyn vos Savant is an American magazine columnist, author, lecturer and playwright who rose to fame through her listing in the Guinness Book of World Records under "Highest IQ". Since 1986 she has written Ask Marilyn, a Sunday column in Parade magazine in which she solves puzzles and answers questions from readers on a variety of subjects.
Some of the chapters need to be updated to incorporate the new technologies we now have since the book was written. There are a lot of good ideas, but some might be easier to implement than others. Where you live and how much money you have might cause some problems with some of the brain exercises.