1. Introduction

2. The Sleeping Giant
describes the site of the ancient Toba eruption on Sumatra, Indonesia, as it looks today

3. The Big One: Toba Explodes
describes the earth's biggest volcanic eruption of the last 28 million years,

with notes on the fate of the Andaman and Nicobar islands and Mentawei island

4. Aftermath: Climate and Environment
marshals the evidence for a volcanic winter with following ice age

5. Through the Bottleneck
describes how our ancestors and some near-relatives walked into a genetic bottleneck and how a few of them came out alive, despite the odds

6. They call it Home

7. Tsunami 2004 is Man made