The trouble with Eden is that it's very large. If you don't go prepared you can walk for miles (literally) and miss some of the highlights. Pre-arm yourself with the official guide and you can plan your trip and not miss out on any of the fantastic features. The book is just the right length and goes into sufficient - but not too much - detail. If I've one criticism, it's the binding. It does make it hard to open and read on the move - a stapled binding rather than the glued-perfect binding would be more useful. This binding tends to lose pages very quickly so if you are likely to read and read the book, it could wear out fast. Not good coming from an organisation very into the longevity of products and recycling!