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The Borrowers Afloat is a children's fantasy novel by Mary Norton, published in 1959. It is the third book in the five part The Borrowers series, preceded by The Borrowers (first published in 1952) and The Borrowers Afield (first published in 1955). It was followed in 1961 by The Borrowers Aloft and in 1982 by the fifth and final book of the series, The Borrowers Avenged.