# File lib/quiz1/t/solutions/Jamis Buck/lib/cipher.rb, line 32
  def cipher_letter
    count = @deck.first
    count = 53 if count.is_a?( String )
    result = @deck[ count ]
    return nil unless result.is_a? Fixnum
    result -= 26 while result > 26
    return (result+64).chr
  end