@logman Thanks for letting us know! We'll investigate and try to get them back up as soon as possible.
The book publisher has almost no control over filing such as this. This is something you’ll need to complain to Amazon about (good luck). At least it’s not hidden behind the pre-existing manga version like The Ideal Sponger Life.
Please refer to the following topic:
Thanks! Much appreciated. I will check it out.
@Sam-Pinansky okay makes sense. Thank you very much for all your help.