On the The 39 Clues website, each completing any of the the first 9 quests gives you one clue each. If you find the quests too hard, you can go online and search for help, or skip the quest altogether and collect the necessary cards needed to gain the clue instead. Once you have a clue that can be obtained by completing a quest, you don't have to do that quest anymore.
you can not skip it
You can't skip it.
RESOLUTION: fine print to guess seek out Richard S
In Mission 10 of The 39 Clues, the clue is "Water." This clue leads the Cahill siblings to a location related to water where they must uncover the next part of their quest.
In book one of The 39 Clues series, Amy and Dan travel to Paris, France in their quest to uncover the truth about their family's secret history and to find the clues left by their grandmother, Grace Cahill.
It means that 29 of the 39 clues are currently available.
They only have 39 clues.
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Online, the second clue in the 39 clues is hydrogen. But in the second book of the 39 clues is tungsten
There is no misssion 12 in the 39 clues.
There's only 39 clues!!
Amy and Dan found a clue in Egypt in the form of a priceless necklace owned by a famous female pharaoh. The necklace led them to the next location in their quest for the 39 Clues.