These guys have a very wide range of resources available, and provide a comprehensive set of documents for each unit. The material is sufficient to cover the content required, but depending on the unit selected and the level of the qualification, the student learning experience can always benefit from additional current examples of any particular practice, which competent and current trainers will be on top of anyway. Given the pace of change in unit versions it's wise to review the mapping to ensure it's to the most recent version Very good customer service and fair price.