Daniel R Altschuler, an experienced researcher, educator, and science administrator, is director of the National Astronomy and Ionosphere Center's Arecibo Observatory and a member of the faculty of the Physics Department of the University of Puerto Rico, at Rio Piedras.

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Better World Books (https://www.BetterWorldBooks.com) is a for-profit, socially conscious business and a global online bookseller that collects and sells new and used books online, matching each purchase with a book donation. Each sale generates funds for literacy and education initiatives in the U.S., the UK, and around the world. Since its launch in 2003, Better World Books has raised $33 million for libraries and literacy, donated over 32 million books, and reused or recycled more than 397 million books.

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Better World Books Marketplace, Inc.
55740 Currant Road, Mishawaka, IN, 46545, U.S.A.

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Condiciones de venta

Better World Books (BWB) values your satisfaction and offers you returns within thirty (30) days after the estimated delivery date on most items. All returned items must be in the original condition; used items should include the SKU sticker located on the spine or back of the product.

If you have an incomplete, incorrect, or damaged shipment, please contact our Customer Care team via Abebooks contact seller options before proceeding with the return.Please keep in mind that because we deal mostl...

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Please allow 1-2 business days for order fulfillment.

Tarifas de env�o de Estados Unidos de America a Espa�a

Tarifas de env�o de Estados Unidos de America a Espa�a
Cantidad del pedido	De 7 a 21 d�as h�biles	De 7 a 21 d�as h�biles
Primer art�culo	EUR 17.96	EUR 17.96

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.