Related Clues:

• Admiral Byrd's book
• Flying solo, e.g.
• In a class by oneself
• "In bad company," according to Bierce
• Person without equal
• Hall of Fame pop group The Four __, and last of this puzzle theme's five anagrams
• Toys that spin
• Having no match
• *With 7-Across, like a couple romancing
• As soloist
• Last word of 'Farmer in the Dell'
• Performs better than
• Without any help
• In seclusion
• Best in the field