COPENHAGEN GREEN E-BOOK Copenhagen Green is also available as a Pocket Guide. If you haven't already purchased the book (which of course is perfect on the go) we recommend you to browse through our e-book which describes all of the 100 green places, accompanied by breathtaking photographs. COPENHAGEN GREEN E-BOOK Copenhagen Green is also available as a Pocket Guide. If you haven't already purchased the book (which of course is perfect on the go) we recommend you to browse through our e-book which describes all of the 100 green places, accompanied by breathtaking photographs.