Thirteen-year-old Becca and her friends Sierra, CJ, and Jonnie are determined to win the gold medal for Troop 13 at the Gold Rush Jamboee. But they face stiff competition from the other troops -- especially Troop 7, whose members love to pull pranks on them. When a mysterious clue hints at treasure buried in Camp Miwok's Haunted Caves, Becca and her friends are determined to get their hands on that, too -- even if it means sneaking from camp, hanging out with bats, and being threatened by robbers...
