Ebb and Flow: Tides and Life on Our Once and Future Planet

Ebb and Flow was named one of 2007’s "best science books" by Peter Calamai, science editor of the Toronto Star [Dec. 30, 2007]. He calls it a "wonderful resource book. Tom Koppel seems to have visited or read about every place with unusual tides and water currents, yet he wears this scholarship lightly."

Tides have shaped our world. They have carved out shorelines, transformed early life on Earth, and altered the course of human civilization. Tides frustrated Alexander the Great and Julius ...