The obook is a cloud-based web-book available anywhere, anytime, on any device, navigated by topic or by `page view'. assess is an indispensable online assessment tool, explicitly mapped to the NSW Syllabus for the Australian Curriculum that drives student progress through tailored instruction. As well as containing the student text and study tools, this obook offers a Virtual Laboratory containing specially-commissioned Australian-made lab experiment videos, drag & drops and other interactives.Your activation code is printed on a card which will be mailed to you; this will incur a postage cost.