Interesting, but not worth the price
I’ve been interested in the subject ever since reading Heinlein’s “And He Built a Crooked House” almost 40 years ago. I was hoping that for the listed price, the app would have more interactivity, but it is little more than a semi-interactive, animated slideshow. It is well done, but for me, it leaves a bit to be desired.
TravisTX about
The Fourth Dimension