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The text is excellent - well-written (I of course have only used the English translation, I have seen translations in other European languages as well) and concise. I do have two critiques, however: one, I would like each species description to be subdivided by keywords in boldface to make finding important features such as size, habitat, etc. easier to find in a pinch, and two, the criticisms I have read of the layout are mostly well-founded. It is not always clear to which drawing/painting a given species description applies - range maps are not always on the same page as the text or illustration, etc. This is inexcusable and would have been easily remedied if only by use of large, boldfaced numbers a la Simpson and Day (Aus.) or Grimmett et al. (India/Subcontinent).
As for the size, I almost always carry either a buttpack or daypack into the field - so it doesn't bother me a whit. I can't imagine *not* carrying a pack, in fact, so I disregard this criticism entirely - but those who feel otherwise might want to borrow a copy to see how it works for them. For any birder, however, I would say the use for which this guide is most well-suited is as a prep guide - the book to pore over en route to your birding site, soaking in as much of the extremely informative text as possible. It is by no means without fault as an in-the-field guide, but very good nonetheless.

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[This review is severely out of date...]



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As for the Cliff Notes, I haven't read them. I'm just wasting your time.






The purpose of the book is to study waves using the theory of distributions. Overall the book does an excellent job of explaining distributions. Along the way both Fourier analyses and Green functions are explained in more complete way than most textbooks do. What I felt missing was more extensive examples of how this formalism helps to study waves in varioius sub-fields of physics. Instead the authors opt to use the formalism to study a wide range of phenomena, without going into details. As an example the treatment of surface gravity waves could have been made more interesting with the addition rotating fluids.
During my graduate studies I would often encounter fluid dynamics problems where the methods learned through this book were applicable and usually required less effort than more pedestrian methods being peddled in fluid dynamics text books.
In short I think the material in this book served me well as background for my graduate studies.

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Patrick
If ever you feel to publicise this letter,bee free to correct my english .Thanks.