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  <titleInfo>
    <title>Why Pi?</title>
  </titleInfo>
  <name type="personal">
    <namePart>Ball, Johnny</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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    <role>
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  <genre authority="fast">Juvenile works.</genre>
  <genre authority="lcgft">Literature.</genre>
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    <place>
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    <publisher>Dk Publishing</publisher>
    <dateIssued>2016</dateIssued>
    <issuance>monographic</issuance>
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  <language>
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  <physicalDescription>
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    <extent>93 pages : color illustrations ; 28 cm</extent>
  </physicalDescription>
  <abstract>Introduces the concepts of measurement and mathematics, discussing their use throughout history, along with examples of how they are used in everyday life in calculating temperature, light, electricity, time, music, and objects in space.--</abstract>
  <targetAudience authority="marctarget">juvenile</targetAudience>
  <note type="statement of responsibility">Johnny Ball.</note>
  <note>Includes index.</note>
  <note>"Big questions about math"--Cover.</note>
  <subject authority="lcsh">
    <topic>Measurement</topic>
    <topic>Juvenile literature</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Mathematics</topic>
    <topic>Juvenile literature</topic>
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  <subject authority="lcsh">
    <topic>Pi</topic>
    <topic>Juvenile literature</topic>
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    <topic>Mathematics</topic>
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  <subject authority="fast">
    <topic>Measurement</topic>
  </subject>
  <subject authority="fast">
    <topic>Pi</topic>
  </subject>
  <classification authority="lcc">QA465 .B168 2016</classification>
  <classification authority="ddc" edition="23">530.8</classification>
  <identifier type="isbn">9781465443878</identifier>
  <identifier type="isbn">1465443878</identifier>
  <identifier type="lccn">2016304739</identifier>
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    <recordIdentifier source="FISKH">8969</recordIdentifier>
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