Is Jehovah the same as Allah? According to Brian Houston, the God of the Bible is the same as the god of Islam.
Here is a book that shows a far better approach:
(Mahometanism Unveiled: An Inquiry, in which that Arch-heresy, Its Diffusion and Continuance, are Examined on a New Principle, Tending to Confirm the Evidences, and Aid the Propagation, of the Christian Faith. By Charles Forster. 1829. 2 Volumes.)