Continue shopping “Harvard Hour of Power” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Harvard Hour of Power $1.99 Harvard Hour of Power quantity $1.99 Coupon: Apply coupon Update cart Available Coupons (click on a coupon to use it) Cart totals Subtotal $1.99 State Tax $0.14 Total $2.13 Proceed to checkout