Contributor biographical information for About time : a first look at time and clocks / by Bruce Koscielniak.

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Bruce Koscielniak is the author and illustrator of several books for children; he is also a musician who has played the violin and jazz guitar for many years. He lives in the Berkshires region of Massachusetts.

Library of Congress subject headings for this publication:
Time -- Juvenile literature.
Time measurements -- Juvenile literature.
Time measurements.