Related Clues:

• At the drop of ___
• At the drop of --
• 'The Man Who Mistook His Wife for ___' (Oliver Sacks book)
• 'I Had ___ When I Came In' (old Irish tune)
• At the drop of __
• '___ Full of Sky' (2004 Terry Pratchett novel)
• ...drop of ___
• Pull out of ___ (produce suddenly)
• Oliver Sacks bestseller, "The Man Who Mistook His Wife for ___"
• "The Man Who Mistook His Wife for __": 1985 best-seller
• At the drop of __ (quickly)
• Answer to the old riddle 'What lies flat when empty, sits up when full?'
• "The Man Who Mistook His Wife for __": Oliver Sacks book
• 'The Man Who Mistook His Wife for ___' (1985 best seller)
• 'The Man Who Mistook His Wife for ___' (1985 book)