"Aaaaarrgggghhhh!!!!" Jane leapt out of the chair, going completely white as she dropped her water bottle and the book. Wide, startled eyes found his briefly, leading to a sudden blush staining her cheeks scarlet.
Luckily the water bottle was closed, so that was one accident averted, but, the sound was embarrassing to Jane as she was in the library, a quiet place. To have squealed in that fashion.... her head dropped, "I er, I was reading?"