THE BOOK OF SAKE: A Connoisseur's Guide, by Philip Harper. Kodansha International, 2006, 96 pp., 2,940 yen (cloth)

How the global culinary pendulum does swing. It was not so long ago that drinking sake was considered as exotic, or even as ill advised, as eating raw fish seasoned with green horseradish. Now, with sushi an international fad, Japan's traditional tipple is also starting to make serious inroads onto dining tables around the world.

However, even as misperceptions about sake are cleared up -- that it is not a spirit akin to vodka; that it is not always drunk hot out of thimble-size cups; that it does not necessarily cause hangovers that feel like being thumped by a sumo wrestler -- there are still many barriers holding it back from gaining more widespread acceptance.

As with wine -- with which, fairly or otherwise, it must be compared -- sake comes in a daunting array of labels and with a bewildering vocabulary. Unlike wine, though, there are fewer clues to help break through the ignorance barrier. Sake does not come in two readily identifiable colors (red or white), with clearly defined varietals (such as Chardonnay or Merlot) that give clues about its flavor and character.