What are clue scrolls on RuneScape?

Clue Scrolls are random drops from monster that will lead you to a hidden treasure There are 3 different types of clue scrolls, the higher the clue scroll, the better the reward: lvl 1: These are the easiest clue scrolls, they are dropped by low lvl monsters and the clues are easier to work out lvl 2: These are medium difficulty clue scrolls, they are dropped by medium lvl monsters, and will have a mixture of lvl 1 and 3 clues. lvl 3: these are the hardest clue scrolls, they are dropped by high lvl monsters, and will be the hardest to work out. When you work out a clue scroll and search the chest, create or dig in the right spot, you will either get: another clue scroll (Then you work that one out) or your treasure. For more info check here: http:/runescape.wikia.com/wiki/Clue_scroll