Keith did not let his movements be obstructed by Lexi. He pried her notebooks opened and scrutinized the writings.
The notebooks has scratches and other chips, indicating that it was used by the owner frequently during class.
The handwriting is very neat and clean. The owner was also very organized and creative when she left indications and highlight important points in her notes that are useful for the exam.
On the front page, is Lexi's name written in bold letters. And then in the center is the subject, 'Math'.
Keith cast another suspicious glance at Lexi. She definitely noticed the way he looks at her, but she turned a blind eye and refused to say anything. Her attention was diverted elsewhere. Keith noticed what she was looking at and spoke.