The same God who has ordained all events has ordained the free agency of man in the midst of the course of events He foreordained. The gospel is not forced on the elect against their wills (Ps. 110:3). Their wills are changed through regeneration, which makes them willing to accept the gospel. Spanish translation available: La Libre Gracia En Contra Del Libre Albedrío
Finally a book that uses the truth without prejudice or the dredges of Arminianism. A book that only a Christian will accept.