We specialize in the hard sciences and mathematics books including astronomy, physics, artificial intelligence, and more. Additional specialties would include psychology, history, business and management. All books are shipped using US Postal System. If you require some other method of shipping, please email us before purchasing.

Ver la p�gina web de la librer�a

Informaci�n empresarial del vendedor

Orca Knowledge Systems Inc.
2 Prestwick Ct., Novato, CA, 94949, U.S.A.

Condiciones de venta y env�o

Condiciones de venta

Money back guarantee if not satisfied with the transaction. Will hold the book for 10 days awaiting payment. Will ship FedEx. Please email for shipping charges.

American Express, Visa, Mastercard and Discover cards accepted. Personal checks made payable to Orca Knowledge Systems Inc. Accept paper money orders. Accept Purchase Orders and will bill libraries and universities. Also accept credit cards through PayPal.

Foreign orders: American Express, Visa and Mastercard accepted. Make sure name, ad...

M�s informaci�n

Derecho a cancelaci�n

Condiciones de env�o

Orders usually ship within 2 business days. Shipping costs are based on books weighing 2 lbs, or 1 KG. If your book order is heavy or oversized, we may contact you to let you know extra shipping is required.

Tarifas de env�o en Estados Unidos de America

Tarifas de env�o en Estados Unidos de America
Cantidad del pedido	De 7 a 30 d�as h�biles	De 3 a 6 d�as h�biles
Primer art�culo	EUR 4.90	EUR 7.46

Los plazos de entrega los establecen los vendedores y var�an seg�n el transportista y la ubicaci�n. Los pedidos que pasan por la aduana pueden sufrir retrasos y los compradores son responsables de los aranceles o tarifas asociadas. Los vendedores pueden ponerse en contacto con usted en relaci�n con cargos adicionales para cubrir cualquier aumento en los costes de env�o de los art�culos.

M�todos de pago

A�adir una petici�n