As a philosophy teacher I am highly sympathetic to the aims of this book. A Level and degree level should differ in complexity and it seems correct to summarise and simplify. Finding myself short of time in teaching the new AQA AS philosophy of religion syllabus I have used Chapter 8 as the most direct way of getting across the problem of evil. This is not to say that I find it superior to Hodder's Introduction to Philosophy, or its predecessor in the Philosophy in Focus series, but rather that it does a good job of condensing the material. In fact, the text needs teasing out but the above really need longer than time restrictions for the new syllabus allow unless students are highly motivated and academic.
I like this book but its brevity is sometimes slightly comical. DZ Phillips for example is summarised in the single pithy phrase that, 'It would never be justifiable to hurt someone in order to help them.' Given that 'The Problem of Evil & the Problem of God' runs to 280 pages this is worthy of Monty Python's summarising Proust competition. Yet, it provides one solution to the complexity v teachability conundrum and must be applauded for its valour.