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A heart-warming story about how the people in our lives are often more interesting than we ever imagined One boy thinks the summer holidays at Grandma and Grandpa's house are boring - nothing ever happens, and there's nothing interesting about his grandparents at all. That is until he finds a suitcase in their attic full of mysterious, strange things! The photographs and mementos inside tell of two incredible people who went on amazing adventures, had cool outfits and explored faraway places. But who could these people be? Perhaps his grandparents have the answer . . .