Preface: On the Reality of Time Travel Acknowledgments 1. How to Listen to a Sky Island with Global Ambition: Climbing Mount Monadnock 2. How an Island Cluster Acquires Its Shape: A Journey in Late Cambrian Time to Wisconsin's Baraboo Archipelago 3. How Islands Trade in Physical Wear and Organic Growth: A Journey in Late Ordovician Time to Hudson Bay's Jens Munk Archipelago 4. How Islands Recall Windward Surf and Leeward Calm: A Journey in Late Silurian Time to Inner Mongolia's Bater Island 5. How Bigger Islands are Broken into Smaller Pieces: A Journey in Late Devonian Time to Western Australia's Mowanbini Archipelago 6. How Softer Islands Dissolve: A Journey in Early Permian Time to the Labyrinth Karst of Western Australia 7. How Islands React to Big Storms: A Journey in Early Jurassic Time to Saint David's Archipelago of Wales 8.

How Island Life Aligns with Global Currents: A Journey in Late Cretaceous Time to Baja California's Eréndira Islands 9. How Island Life Adjusts to Opposing Shores on Oceanic Islands: A Journey in Middle Miocene Time to the Madeira Archipelago 10. How Volcanic Islands Rise, Fall, and Renew: A Journey in Early Pliocene Time to the Azorean Santa Maria Island 11. How the Youngest Islands Challenge Witness: Journeys in Pleistocene Time to Islands on the African and Pacific Tectonic Plates 12. How Islands Draw Meaning and Obligation: Descending Mount Misen on Japan's Sacred Miyajima Glossary Notes Bibliography Index.