Trying to get a good illustrator is hard. Not as hard as a sympathetic publisher though. I think the phrase 'sympathetic publisher' is an oxymoron these days. Mind you, it must be difficult trying to make a living when Amazon publishes over 4 million books online. It's very much like the music industry - creative art has become a cheap commodity now. And, of course, it's those two pastimes I decided to settle on doing during my retirement. Oh well...
You can buy The Furricious Gang from Waterstones by ordering it in the shop or by using this link: https://www.waterstones.com/books/search/term/mma+associates
Just to let you know, the Godalming Library has been given some copies of The Furricious Gang stories. So, if you want to read them for free and you're a member, you should be able to get the there.
Apparently, the British Library would like copies if The Furricious Gang. I had run out of these, so I've had to do another print run. Looks like I will have a stock of these now and will have to look