I'm writing a book for one of my classes. Before each chapter begins, I put a small excerpt of one of the character's background. I haven't introduced the character yet, nor have I give their name out. Just some physical features that I'm using later on in the story. I want the readers to have an "ah-ha" moment.
Well, the background of this mystery character is told in third-person whereas when the chapters actually start, it's told in first person. Is this wrong or is it okay if I write this way
E.g.
"A blood-curdling scream escaped from his once tightly shut mouth. Sweat dripped from his tanned face as he clenched his fists.
One
Lori turned to me nervously as she grabbed the pamphlet from a senior, her straight black hair whipping in the wind. I nodded at her reassuringly."