You can see the two little squares in the centre were from the central (dark) square. Nancy sashed hers, which looks great but we didn't give any quilt assembly instructions, leaving people to discover what was best for them. Here are my blocks arranged in a kind of lattice design.
To say these were all donated fabrics from the Linus box, the result is really stunning - and it was very easy! Nancy has some really clever ideas in her book, which I can thoroughly recommend.