Problems in the Theory of Knowledge / Problèmes de la théorie de la connaissance

Enjoy free ground shipping on us! Most orders over $100 qualify for free standard ground shipping.It takes an estimated 7-10 business days to deliver and may require additional processing time

At BookPal, we go beyond the transaction by providing personal support and a dedicated account manager for every customer.

We offer flexible delivery options such Free Ground Shipping (on most orders over $100), Expedited Premium, Expedited Express, International Shipping etc.

With over 3 million book titles available, it's impossible to always be the lowest priced. If you find a lower price on a new title elsewhere that is available to ship in the quantity you need, we are happy to discount your books and match the lower price.

If your Sales Tax Exemption form contains vendor information, include BookPal as the vendor with address 3002 Dow Ave, Ste 112. Tustin, CA 92780. Kindly double check that it is signed and dated when required.

BookPal accepts all major credit cards, PayPal, and checks by mail, along with Purchase Orders upon approval. We also accept ACH payments and wire transfers.