"Jos Warmer's work has contributed greatly to the semantics of the UML. From that perspective, and in this book, he offers insight on how one can and can't use the UML to move to the next level of abstraction in building systems." -Grady Booch Experienced application developers often invest more ti[...]

Reach into Backpack Gold for a richly illustrated, seven-level communicative-course that motivates primary learners and supports teachers. Backpack is packed with child-friendly topics, catchy songs and chants, stickers, games, stories, hands-on projects, extensive reading and writing materials and [...]