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Level A, Grade 1

  1. A Reason for Science, Level A, Complete Homeschool Kit
    A Reason for Science, Level A, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    5 Stars Out Of 5 3 Reviews
    Availability: In Stock
    CBD Stock No: WW401040
  2. A Reason for Science, Level A, Student Text & Teacher's Guide
    A Reason for Science, Level A, Student Text & Teacher's Guide
    A Beginning Advantage / Other
    $68.99
    5 Stars Out Of 5 1 Reviews
    Availability: In Stock
    CBD Stock No: WW340104
  3. A Reason for Science, Level A: Student Workbook
    A Reason for Science, Level A: Student Workbook
    A Beginning Advantage / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    4.5 Stars Out Of 5 2 Reviews
    Availability: Out of Stock
    CBD Stock No: WW340100
  4. A Reason for Science, Level A Team Materials Kit
    A Reason for Science, Level A Team Materials Kit
    A Beginning Advantage / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: Out of Stock
    CBD Stock No: WW340103

Level B, Grade 2

  1. A Reason for Science, Level B, Complete Homeschool Kit
    A Reason for Science, Level B, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    Availability: In Stock
    CBD Stock No: WW402040
  2. A Reason for Science Level B Teacher & Student Pack
    A Reason for Science Level B Teacher & Student Pack
    A Beginning Advantage / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW340204
  3. Reason Science Level B Student Workbook
    Reason Science Level B Student Workbook
    A Beginning Advantage / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: In Stock
    CBD Stock No: WW340200
  4. A Reason for Science Level B Materials Kit
    A Reason for Science Level B Materials Kit
    A Beginning Advantage / 2006 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: In Stock
    CBD Stock No: WW340203

Level C, Grade 3

  1. A Reason for Science, Level C, Complete Homeschool Kit
    A Reason for Science, Level C, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    5 Stars Out Of 5 1 Reviews
    Availability: In Stock
    CBD Stock No: WW403040
  2. A Reason For Science, Level C: Teacher Guide & Student Worktext
    A Reason For Science, Level C: Teacher Guide & Student Worktext
    A Beginning Advantage / 2004 / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140308
  3. A Reason For Science, Level C: Student Worktext
    A Reason For Science, Level C: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: Out of Stock
    CBD Stock No: WW140310
  4. A Reason For Science, Level C: Team Materials Kit
    A Reason For Science, Level C: Team Materials Kit
    A Beginning Advantage / 2004 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: Out of Stock
    CBD Stock No: WW140312

Level D, Grade 4

  1. A Reason for Science, Level D, Complete Homeschool Kit
    A Reason for Science, Level D, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    Availability: In Stock
    CBD Stock No: WW404040
  2. A Reason For Science, Level D: Teacher Guide & Student Worktext Set
    A Reason For Science, Level D: Teacher Guide & Student Worktext Set
    A Beginning Advantage / 2004 / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140406
  3. A Reason For Science, Level D: Student Worktext
    A Reason For Science, Level D: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: In Stock
    CBD Stock No: WW140408
  4. A Reason For Science, Level D: Team Materials Kit
    A Reason For Science, Level D: Team Materials Kit
    A Beginning Advantage / 2004 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: In Stock
    CBD Stock No: WW140410

Level E, Grade 5

  1. A Reason for Science, Level E, Complete Homeschool Kit
    A Reason for Science, Level E, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    Availability: Out of Stock
    CBD Stock No: WW240504
  2. A Reason For Science, Level E: Teacher Guide & Student Worktext Set
    A Reason For Science, Level E: Teacher Guide & Student Worktext Set
    A Beginning Advantage / 2004 / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140506
  3. A Reason For Science, Level E: Student Worktext
    A Reason For Science, Level E: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    2 Stars Out Of 5 1 Reviews
    Availability: In Stock
    CBD Stock No: WW140508
  4. A Reason For Science, Level E: Team Materials Kit
    A Reason For Science, Level E: Team Materials Kit
    A Beginning Advantage / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: Out of Stock
    CBD Stock No: WW140510

Level F, Grade 7

  1. A Reason for Science, Level F, Complete Homeschool Kit
    A Reason for Science, Level F, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    4 Stars Out Of 5 1 Reviews
    Availability: In Stock
    CBD Stock No: WW406041
  2. A Reason For Science, Level F: Teacher Guide & Student Worktext Set
    A Reason For Science, Level F: Teacher Guide & Student Worktext Set
    A Beginning Advantage / 2004 / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140606
  3. A Reason For Science, Level F: Student Worktext
    A Reason For Science, Level F: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: In Stock
    CBD Stock No: WW140608
  4. A Reason For Science, Level F: Team Materials Kit
    A Reason For Science, Level F: Team Materials Kit
    A Beginning Advantage / 2004 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: In Stock
    CBD Stock No: WW140610

Level G, Grade 8

  1. A Reason for Science, Level G, Complete Homeschool Kit
    A Reason for Science, Level G, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    3 Stars Out Of 5 3 Reviews
    Availability: In Stock
    CBD Stock No: WW407041
  2. A Reason For Science, Level G: Teacher Guide & Student Worktext Set
    A Reason For Science, Level G: Teacher Guide & Student Worktext Set
    A Beginning Advantage / 2004 / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140706
  3. A Reason For Science, Level G: Student Worktext
    A Reason For Science, Level G: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: In Stock
    CBD Stock No: WW140708
  4. A Reason For Science, Level G: Team Materials Kit
    A Reason For Science, Level G: Team Materials Kit
    A Beginning Advantage / 2004 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: Out of Stock
    CBD Stock No: WW140710

Level H, Grade 9

  1. A Reason for Science, Level H, Complete Homeschool Kit
    A Reason for Science, Level H, Complete Homeschool Kit
    A Beginning Advantage / Other
    $178.49 Retail: $189.95 Save 6% ($11.46)
    Availability: In Stock
    CBD Stock No: WW240804
  2. A Reason For Science, Level H: Teacher Guide & Student Worktext Set
    A Reason For Science, Level H: Teacher Guide & Student Worktext Set
    A Beginning Advantage / Other
    $68.99
    Availability: In Stock
    CBD Stock No: WW140806
  3. A Reason For Science, Level H: Student Worktext
    A Reason For Science, Level H: Student Worktext
    A Beginning Advantage / 2004 / Trade Paperback
    $15.49 Retail: $19.95 Save 22% ($4.46)
    Availability: Out of Stock
    CBD Stock No: WW140808
  4. A Reason For Science, Level H: Team Materials Kit
    A Reason For Science, Level H: Team Materials Kit
    A Beginning Advantage / 2004 / Other
    $139.99 Retail: $149.95 Save 7% ($9.96)
    Availability: Out of Stock
    CBD Stock No: WW140810