First came the financial and debt crisis in Greece, then government financing difficulties and rescue programs in Ireland in 2010 and Portugal in 2011. Before long, Italy and Spain were engulfed by financial contagion as well. Finally in 2012, the European Central Bank pledged to do "whatever it takes" to preserve the euro area with purchases of government bonds, a step that achieved impressive results, according to William R. Cline in this important new book.

One of the world's leading experts on fiscal and debt issues, Cline mobilizes meticulously researched and forceful arguments to...