I have the everlast. The microwave version doesn’t last as long.
For the microwave version, you have to well, throw the book into the microwave with a cup of water on top, microwave (1 min or something), flip to the other side of the book, then microwave again.
For everlast, it’s supposed to be reusable forever… You wipe off your writing with water. However some ghosting can still be seen, especially when the page is held at an angle. Probably it’s from the pen scratching the surface of the paper?
For both books you can only use it with the pilot frixion pens