Interest Level: Grades 4-7

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  Deep-Sea Fishing

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Deer Hunting

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Denial-of-Service Attacks

  $21.95 – $24.95Price range: $21.95 through $24.95
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  Derek Carr: Football Star

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Avalanches

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Brain Disorders

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Cancer

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Chronic Disease

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Disasters
  (Set of 8)
  

  $79.60 – $199.60Price range: $79.60 through $199.60
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  Detecting Earthquakes

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Floods

  $9.95 – $24.95Price range: $9.95 through $24.95
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  Detecting Heart Disease

  $9.95 – $24.95Price range: $9.95 through $24.95