I'm not sure whether this is the write place for this true tail**, but...:
Aleksandr Orlov book 'to inspire the next generation of young businesskats' enters bestseller chart before release
Compare the memoir: insurance meerkat's life story on sale | Books | The Guardian
I suppose that in a world where real-life (though barely real) celebrities "write" best sellers using nothing more than a ghost writer, it's no surprise that imaginary celebrities are doing the same.
For all I know - the book isn't published until Friday and I'm not rushing to the bookshop to buy it - this is a good read, so I'll not use that obvious word to describe its purchasers.
** - I didn't have time to compare the meerits of the alternatives.