Cambridge Experience Readers is a graded readers series of original fiction, adapted fiction and non-fiction especially written for teenagers. Twins, Andy and K

This award-winning graded readers series is full of original fiction, adapted fiction and factbooks especially written for teenagers. Twins, Andy and Mary, are

"Twins, Andy and Mary, are on holiday in California with their parents. Mary gets a new camera for her birthday. But in one of her photos, she and Andy see some

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