Part two of Sarah Salway's look at sheds in Grinnell, Iowa. "This belongs to Dr David Ferguson (pictured)," she writes. "He uses it for woodcarving and also making walnut wood boxes (that's what the planks are). He's retired now. It's - apparently - got radiant heating and a dust collector that he put in himself and more than one of every kind of tool you could possible imagine. I'd like to live in it."