As he copied the neat numbers into his notebook, Artyom noticed a comment at the bottom of the page. It wasn't a correction or a tip. It was a simple note left by a user named OldSchool09 : "Don't forget to look at the logic in step three; the teacher always asks about the common denominator."
The glow of the computer monitor was the only light in Artyom’s room as the clock crawled toward midnight.
Artyom’s fingers flew across the keyboard, typing the ritualistic incantation of the modern student: .