Body type for David McCullough's "John Adams"

I'm trying to identify this font used in the book "John Adams." It has elements in common to Baskerville and Bulmer, even Janson Monotype, for example the very distinctive italicized capital J and Q.

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The italic /J & /Q could be also Caslon Italic Swash

i think im going to have to go with fvilanakis here, it does look like caslon italic swash. have you tried http://hoefler by the way?

It's close to Caslon Italic Swash, but the capital A is very different.