I haven't read his book, but writer David Dobbs is publishing large excerpts of it on his blog about the 19th century debate over the origin of corals. The first two excerpts are already online:
Reef Madness Begins: Louis Agassiz, Creationist Magpie
The One Darwin Really DID Get Wrong: Rumble at Glen Roy
Reef Madness Begins: Louis Agassiz, Creationist Magpie
The One Darwin Really DID Get Wrong: Rumble at Glen Roy