I was doing fine all the way up to Day 4. I must have missed something having to do with a German Emperor. Where did that info come from? I got as far as Day 5 and looking for the 5 books but somehow I am missing something else. Where did this quotes come from:
1. The path to the praefationale leads through the valley of the dead.

Look for the German emperor who lived 10 years.

Take what is left of Boldizar.

Starlight may shine on their reminiscence!

I found it in the walkthrough but not in my game.

Hi Joan,

I believe that's from the deciphered message. Did you do this yet (still on day 5):

German envelope: Read the letter inside on how it was collected. There is also the star sheet and the coded text message.

Look at the coded text. Combine the cypher code keys with the coded-cyphered text and get a deciphered message.

Read the translated message. There are 5 books that are needed to be found.

Duh, me! I didn't look at the second page!
Problem solved! Thanks.
Joan

Great.