NOW ON SALE!
HYPERSPHERE, ... A JOURNEY AT THE SPEED OF GEOMETRY, the Revised Edition!
Ladies and Gentlemen, After much further adieu, we are now on Amazon.com with our book. A few years ago an older first sedition was out, but this Revised Edition! ..., has the best illustrations and concepts for easier reading. We have the book edition and the Kindle edition.
Please put the title in on Amazon.com and look over the details of our book!
Read and study, and attempt yourselves these things herein, giving me fair credit.
"Welcome to the future!"
Robert B Cronkhite, the author.