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Usborne First Reading (4)
Level Four titles build readers stamina still further, with 48 pages devoted entirely to the story, more text on each page.
Level Four titles build readers stamina still further, with 48 pages devoted entirely to the story, more text on each page.
![Why the Sea is Salty [Book with CD]](http://d2bn0peauzh8l1.cloudfront.net/media/images/books/9781409545293.jpg)
