Sounds good to me Kathy - plus nearly 6 months for people to collect fabrics etc., might mean that more people will join us, as they won't have to shell out a lot straight away. Also, no rulers are needed, and the book is not expensive either.
It can also be done scrappy from stash, apart from background, and that might help. I enlarged mine by 142% because that's what my calculater said (10in divided by 7in). The design comes under 9in so that it will sit nicely on the 10in finished block. I will probably cut my blocks 11in and trim down once appliqued.