John Coupe
John Coupe is a practising structural engineer who has designed buildings ranging in size from domestic extensions to multi-storey residential and commercial developments using steel, concrete, masonry and timber. John's website is www.secrets-of-shed-building.com.
Alex Johnson
Alex Johnson is a journalist, blogger and author of Rooms of Their Own: Where Great Writers Write, Improbable Libraries and Bookshelf. He lives in St Albans, London with his wife, three children, and plenty of books from all over the world.