The Secret Of Esrever is a special feature on the DVD/VHS, "The Blair Witch 2 - The Book Of Shadows". After the stale reception this movie got at the cinema Artisan knew they had to do something special to pick up some green from the DVD and video release and they found that in The Secret Of Esrever.
To access this part simply insert your DVD into your computer/player, click Speacial Features followed by Secrets of Esrever then watch the feature. If you have VHS then "Secret of Esrever" is after the film.
As I said in the What? section the clues are as follows.
Now go the the PICS section to see some of the secrets I have uncovered