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.obook provides an interactive electronic version of the Student book in an easy-to-read format. It features multimedia links, interactive learning objects, videos, note-taking, highlighting and bookmarking tools, and live question blocks. obook is compatible with laptops, iPads, tablets and IWBs, and also offers page view (in flipbook format) that can be used offline.assess is an indispensable online assessment tool. Explicitly mapped to the Australian Curriculum, it drives student progress through tailored instruction. Teachers can track the status of assignments, monitor progress with auto-marking assessments, or construct customised tests from the testbank using varied question levels and question types.