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  eBooks

  $6.95 – $49.95 Select options This product has multiple variants. The options may be chosen on the product page
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  Individual eCDs and eDVDs

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  Library Packages (large savings)

  $60.00 – $1,085.00 Select options This product has multiple variants. The options may be chosen on the product page
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  Physical Products

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  Science Education K-12 University Program

  $55.00 – $1,085.00 Select options This product has multiple variants. The options may be chosen on the product page