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When is one more than one? One pair is always two; one week is seven days; and one dozen is always twelve. And that's just the beginning of this brilliant and original counting book. "An enjoyable, accessible introduction to the world of numbers."-School Library Journal
When is one more than one? One pair is always two; one week is seven days; and one dozen is always twelve. And that's just the beginning of this brilliant and original counting book. "An enjoyable, accessible introduction to the world of numbers."-School Library Journal
