The materials you need for the Divemaster course is as follows: (not included in the course price!)
RDP (Wheel, table and eRDP including associated Instructions for Use booklets),
The Encyclopedia of Recreational Diving,
Diving Knowledge Workbook
Divemaster Slates.
Instructor Guides for:
Discover Scuba Diving,
Discover Snorkelling/Skin Diver Course,
Scuba Review / Discover Local Diving
If you need any, or all of these items it can be ordered for you and will be waiting at the Dive Centre when you arrive.