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Title: extremely thorough
Review: In this book and the others in the series, Weinberg bends over backwards to make sure every line is justified so the reader does not have to stop and puzzle over logical gaps, caveats left unmentioned, etc. Also, typically Weinberg will prove the general case of a result, instead of sticking with a simple example, or referring to the literature. It should be added that these same characteristics give the book an emphasis which isn't quite suitable for a first introduction to qft; however, any serious student will want to read the series.
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