This book is not what I expected, so I want to help you decide whether it's what you want.
This is a large, heavy, coffee table sized book with beautiful printing and photography, an overview of whisky production of several kinds (single malt, bourbon, etc), and 1-2 page spreads on selected distilleries and their whiskies in Scotland and worldwide. Besides discussing each distillery, it has tasting notes for a few whiskies from each one, plus a recommendation of what to try next for them (i.e., if you like this one, go try that one). That's all good if it's what you want.
What is it NOT? First of all, it is not really an atlas in any sense, either literal (maps) or figurative (conceptual). There are a few maps but they are not comprehensive or detailed enough to count as an atlas in my opinion. Figuratively, it provides a conceptual "map" of whisky with two dimensions (vanilla vs. grain plus peat vs. clean, as I see it, although the author uses different words) but it is not really terribly informative for several reasons: it leaves many whiskies uncategorized, it explicitly takes no account of quality, and it doesn't even map all the whiskies in the book. Perhaps most strangely, the whiskies in the book are explained not with the map but with an unrelated other method of categorizing that uses different sensory terms ("fruit", "floral", etc.)
Second, it is not comprehensive. Not all scotches are there, certainly not all bourbons are there, and so forth. I have seven generally available whiskies on my shelf right now, and the book has tasting notes for 3 of them (of which one is from Japan, so it's 2 for 6 from Scotland and the US). So it is not at all a comprehensive reference.
Third, it is not a critical evaluation in the sense that it rates or ranks whiskies. It does not pretend to be, but I wanted to point that out. It happily discusses very cheap whiskies alongside expensive ones, sometimes almost to a point of absurdity. For instance, when I read the tasting notes for one whisky I enjoy, it said that I should next try Crown Royal. Yikes. Is that trying to say that the whisky I like is actually bad? Or does the author believe CR is good? Or does he think someone who drinks single malts would also sip Crown Royal? I don't know.
Finally, it is not a dense book. That's a good thing if you want something to browse. It has multiple 2-page spreads that are simply photographs (nice photos, although often rather obvious and cliched, such as a photo of Mount Fuji). This goes with the point that it is a coffee table book, not a reference.
Bottom line: if you want an introductory book that discusses scotch along with a few other world whiskies, dresses up a table, and is beautiful, then you'll enjoy it. Despite my complaints, I think it's an OK book, if you know what you're getting. If you want a reference, it's not. Cheers!