If there was anything that Iola had inherited from her father—then it would be her stubborn streak. She probably should have left the tome alone, but if it was able to give her a concussion with just one attempt of reading it then it would cause much more trouble for Timothy. She had to think about the guy and ensure that he didn't wound up as a corpse because he decided to study the tome with no mental preparations at all.
She had to do it regardless of her feelings.
She took out the tome from underneath her bed and simply gave it a peek before pushing it back under the mattress. Even, she herself shouldn't be touching it and giving it way more attention than it ought to have, the repercussions of entangling with such a strange tome would endanger her more than staying out in the streets of Gloria City.
But she was bored.