Chapter 2 shows that big projects are particularly risky, and that megaprojects often lead to mega overruns.
Chapter 3 establishes that premature announcements are a major risk factor in cost overruns.
Chapter 4 demonstrates that projects now being built have already had big cost overruns, and there are more to come.
Chapter 5 identifies what governments should do right now to minimise the likelihood and extent of current projects costing more than expected.
Chapter 6 nominates what governments should do to ensure they don't end up in this situation again in future.