- E-bookThe CrossDouglas Vickers
- E-bookThe Immediacy of GodDouglas Vickers
- E-bookThe Divine PurchaseDouglas Vickers
- E-bookDiscovering the Christian MindDouglas Vickers
- E-bookBelief and EvangelismDouglas Vickers
- E-bookThe Christian’s Highest GoodDouglas Vickers
- E-bookWhen God Converts a SinnerDouglas Vickers
- E-bookBeing and BeliefDouglas Vickers