Download the following locked PDF files and confirm they are all in your download folder before you leave your WiFi area.
1.park.pdf -- To open this file you must travel to a map location and solve the following riddle:
Here the general is parked on in his high horse,
And you must find the clue in due course.
Look carefully, it is easy to miss,
Afoot is a symbol that brings this.
The PDF file above will open the second pdf and so on.