Intrigued by IPA? Curious about Kolsch? Join Urban Grape’s resident beer expert Ben Bouton at the Boston Center for Adult Education, 122 Arlington Street, on Monday, December 16 beginning at 6:30 pm, for a class on craft beer basics. Ben will explain the differences between mass and craft production, and divulge the details of several popular beer varieties. The best part? You’ll learn by tasting! BCAE member cost $38, nonmember $45. Register at www.bcae.org, or telephone 617-267-4430.