Dragon's Tooth Classic

(The full list of Ages: List of Ages)

Author

Metabasalt

Walkthrough

(to read the spoiler, select it with your mouse or press "Ctrl+A")

There is a cubical stone in the upmost area, near the slide down to the cave, which links to Ordovician.
On the one sign, there is a multiple-choice question.
  (Solution: limestone)
  Click the correct button to open the slab behind it, and take the ladder down.

Putting this Age on your bookshelf

This command will place this book on the 3rd position of your Relto bookshelf:

/bookshelf 3 Dragons_tooth1