Enjoy both the Curriculum and Paperback book.

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For one set (book + curriculum):  $31.00 plus shipping of $4.75 (included)

For five sets: $87.00 plus shipping of $8.55 (included)

For ten sets: $157.00 plus shipping of $13.30 (included)

For fifteen sets: $227.00 plus shipping of $18.05 (included)

For twenty sets: $297.00 plus shipping of $22.80 (included)