Authors:

She had a strange feeling in the pit of her stomach, like when you're swimming and you want to put your feet down on something solid, but the water's deeper than you think and there's nothing there

Julia Gregson (2010). “East of the Sun”, p.198, Hachette UK
She had a strange feeling in the pit of her stomach, like when you're swimming and you want to put your feet down on something solid, but the water's deeper than you think and there's nothing there