By Tom Lanham
Updated June 11, 1999 at 04:00 AM EDT

The alterna-crowd can snicker all it wants, but here’s the cold, hard truth: Def Leppard are back in a big, bad Hysteria-sleek way. Probably the last thing fans expected after the recent, awkward Slang experiment. But longtime producer Mutt Lange is onboard this time as a cowriter, and the hooks on Euphoria — ringing like a church carillon on ”Demolition Man” and ”Back in Your Face” — call the lapsed faithful back to worship. B+