Tenes que revisar el paquete que dice, cuando hay varias veces 50% off para los ebook, y otras veces si son impresos. Depende de la oferta del día.
Por darte un ejemplo este es el de ahora de manning
Objective-C Fundamentals
Learn the Objective-C language and become a master iPhone app builder!
Get the eBook for $35.99 $15.00.
Enter dotd1209cc in the Promotional Code
box when you check out at manning.com.
Es nada mas 1 libro(ebook) para la mara que quiere desarrollar para iphone por 15 bolas.
Y estos son los de sitepoint
http://www.sitepoint.com/launch/sale-day9-2011
"Freelancer's Friday" includes 4 great resources to help you
freelance smarter, and get better results doing so:
- The Principles Of Successful Freelancing (epack)
- Outsourcing Web Projects: 2nd Edition (2011) (PDF)
- Deliver First-class Websites: 101 Essential Checklists:
2nd Edition (2011) (PDF)
- Flipping Web Sites For Profit (PDF)
(* epacks include: PDF for Adobe Reader, MOBI for Amazon Kindle
and EPUB for iPad/iPhone)
Grab ALL 4 for only $19 (84% OFF)
OR buy just the one you want for $9:
Son 4 libros en varios formatos de pdf por 19 bolas.
