If you have an Amazon.com account, feel free to use the Pay with Amazon option below.  If you have a Paypal account or credit card, please click on Proceed to Checkout.  If you wish to pay by PO or check, please contact our offices directly. Note: the THL site is secured with using industry standard encryption/certificates throughout the the payment process.

ALL Paypal accounts will be processed same day unless otherwise noted, if payment is cleared before 2PM EST.  Amazon.com account payments require an additional 24 hour clearance period.

    Product Price Quantity Subtotal
× What Do Black Holes Eat for Dinner? $16.95
$16.95

Cart totals

Subtotal $16.95
Shipping

Shipping to MA.

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Tax $1.06
Total $18.01