Here is how Saphique, the book I'm reading now, opens. I've underlined the interior dialogue, the parts where we get thoughts in addition to sight, sound, smell, touch, taste.
"The alleyway was so narrow that Attia could lean against one wall and kick the other. She waited in the dimness, listening, her breath condensing on glistening bricks. A flicker of flames around the corner sent ripples down the walls.
The shouts were louder now, the unmistakable roar of an excited crowd. She heard howls of delight, sudden gales of laughter. Whistling and stamping. Applause.
Licking a fallen drip of condensation from her lips, she tasted its salty grit, knowing she had to face them. She had come too far, searched for too long, to back out now. It was useless feeling small and scared. Not if she ever wanted to Escape. She straightened, edged to end of the alley, and peered out."