If you want to bulk-download all of the issues, here's how to do it with wget.
https://blog.archive.org/2012/04/26/downloading-in-bulk-usin...
I do wish somebody would crank out an easy to use desktop GUI tool for this.
edit this will make it better
https://gareth.halfacree.co.uk/2013/04/bulk-downloading-coll...
and