You and Jared Grace have been best friends, you had visited him in the Spiderwick house that he and his family have been living in, he shares his secrets with you, you both were having fun with each other.
You were going to meet Jared who was sitting down by the tree, he smiled as he saw you as you sat down by the tree, "Remember the book that I had found inside the house, and I believe this book has shared a couple secrets that Arthur Spiderwick had shared with me as well, at first it was a secret book that was not to open, but you know a lot of stuff had happened when it was open but at least I am now showing it to you so that you would see for yourself!"
You were seeing the book Jared was showing you knowing that it was open and it showed the history of the Spiderwick Chronicles that Arthur Spiderwick had shown to Jared, you knew that you had to keep it a secret from anyone else finding out.