The Scratch & Sniff Guide to Beer: A Beer Lover’s Companion by Justin Kennedy

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From the book description, check product page for current description, price and availability:

Discover a world of beer with this sensational handbook, packed with style guides, how-tos, and fascinating anecdotes about the origins and evolution of both well-known and esoteric beers—and ten unique “scratch and sniff” stickers devoted to aromas inherent in your favorite brews.

To truly know a beer, it isn’t enough to taste it. You must breathe in its distinctive aroma—a specialty blend of hops, malt, water, and yeast that differentiate one beer style from another. Divided into eight chapters, each segment of this book introduces you to a new aspect of beer.

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The Scratch & Sniff Guide to Beer: A Beer Lover’s Companion

Also Consider: The Homebrewer’s Library – Selection of Homebrewing and Craft Beer Book