It looks like there's some spots that were washed out by water but... here goes.

[Edna reads both of the letters out loud for Zack.]

The rest looks like it was information on other people who were brought here like us. Seems like what Snow White was telling us really did happen. There's stuff here on the murders, the executions, the "magical girls"... It covers seven weeks worth of murders and trials...

[While he takes that all in, she decides to try poking the laptop. She'll look for a power button if it's not on or check out the screen if it is. Anything interesting on the desktop?]