I do highly recommend this. Some of the puzzles were too easy for me, some of the text was just a bit difficult for me to focus on, but I found it just as interesting and enlightening as I'd hoped. I'm also glad I bought a copy so I could take my time with it.

Whenever you work on improving your memory, you simultaneously contribute to your imaginative and creative capacities."

(If this seems wrong to you, you'll have to read the book. Just know that his justification for that claim convinced me. ;)

"[S]chools neglect visual and spatial thinking, focusing instead on developing language and mathematical skills.... gifted visual-spatial thinkers are often seen as less intelligent than they are."

I have a copy available and will ship it gratis to any US member, as soon as my son is done with it. I will enclose a sheet of transparency film so you can solve the pencil puzzles without marring the book, but rather by tracing, as I did. (You'll have to find your own dry-erase or whiteboard marker)." ( )