\\\"thunderbolts quivered with elfin flares of heat lightning\\\"
\\\"the fey quality was there, the ability to see the moon at midday\\\"

\\\"she was an elfin creature--graceful and delicate\\\"
\\\"obsessed by things elfin and small\\\"

\\\"elfin bells\\\"
\\\"all the little creatures joined in the elfin dance\\\"

\\\"perpetrated a practical joke with elfin delight\\\"
\\\"elvish tricks\\\"