Please add high-resolution cover

[Gerrick]

Requesting to update below with high-resolution book cover. Current cover in GR has low-resolution.

GR: https://www.goodreads.com/book/show/8...
Amazon: https://www.amazon.com/dp/B003JAO0QI
Cover: https://m.media-amazon.com/images/I/9...

Thanks!

[Martin]

Done.