The obook/assess MULTI licence provides several consecutive years digital access with no reactivation charge for life of the edition. An obook/assess MULTI code can be reactivated upon expiry of the active licence period.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 Australian Curriculum that drives student progress through tailored instruction. As well as containing the student text and study tools, this obook offers links to scientist videos, interactives and web links.Your activation code is printed on a card which will be mailed to you; this will incur a postage cost. If you prefer to receive an obook activation code by email, run a search on this title and include the phrase ROP (real-time online purchase) in your search.