sale O'Reilly Ebooks on sale Balduran Chang Read more posts by this author. Balduran Chang 30 Nov 2015 • 1 min read O'Reilly 歐萊禮 Cyber Monday Sale,所有電子書 Ebook 半價!!十二月一號截止。 http://shop.oreilly.com/category/deals/cyber-monday.do