The Seven Crystal Balls SKU: $13.99 Select Product Type : New Trade Books Ship Available Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Details The classic graphic novel. Seven explorers return from an expedition in the Andes, where they unearthed the tomb of an Incan priest. One by one, they ... DetailsBackDetailsThe classic graphic novel. Seven explorers return from an expedition in the Andes, where they unearthed the tomb of an Incan priest. One by one, they fall into a coma. Can Tintin figure out what is causing the mysterious illness?See MoreSee Less Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review