Book 15: Mountaintop Mystery: Mountain Top Mystery (15) (The Boxcar Children Graphic Novels Set 3)
Description:
Henry, Jessie, Violet, and Benny Alden are going to climb a mountain! The hike up Old Flat Top is only supposed to take a day, but a dangerous rockslide changes everything. The rockslide reveals a hidden cave that just may hold a legendary treasure. Can the Boxcar Children solve the mystery of what's on top of the mountain?
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