I'm not entirely sure why I read this. I had a fun time with it nonetheless, and learned about tesseracts, glomes and the ana/kata dimension. He went on to describe life in the fourth dimension, some objects called hypertori and 5th (and higher) dimensions. The author is Chris McMullen. He referenced Rudy Rucker and Edwin A. Abbott as his inspirations for writing and highly recommends their works on higher dimensions.