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First Published in 1961 by William Collins Book 1 of 6 in this category |
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First Published in 1962 by The Children's Press Book 2 of 6 in this category |
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First Published in 1962 by The Children's Press Book 3 of 6 in this category |
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First Published in 1963 by The Children's Press Book 4 of 6 in this category |
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First Published in 1963 by The Children's Press Book 5 of 6 in this category |
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First Published in 1964 by The Children's Press Book 6 of 6 in this category |
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