Rusty by Mark WangbergThe Rusty book IS a Hedi Kyle structure, though it may be unknown as I don't think she named it or ever taught it. Hedi WILL recognize it, however, as I purchased her model at her home sale. It was in a box with many other models. When I visited Hedi this past September she remembered it, but didn't offer much encouragement about using it. I think it's one of her brilliant and simple solutions for making a book with folds. Make an accordion, fold a