“Linear algebra?” Zhao Ruizhi frowned. He didn’t even have time to feel anger. He thought, What kind of secret manual is this? Why haven’t I heard of it before?

  Forget about him, even Mi Li, who had read through the entire Qin Royal Family’s library, was stumped. What the hell is linear algebra? Why don’t I know what this is?

  Only Bi Linglong seemed to have picked up on something. She recalled that according to Zu An’s information, he seemed to have been Brightmoon Academy’s ..