Possible Clues:

• Zero reading from this dial
• Card player's deadpan expression
• Novel mostly perfect, okay, except the last bit -- it's hard to read
• Hot rod features -- one's unreadable
• No. 1 hit for Lady Gaga with the lyric 'A little gambling is fun when you're with me'
• There's no expression for how one might give 'er a sock in the 26 down, by the sound of it