Magister Dieter:
Really? Thank you! However, is this Astrologer Creta trustworthy?
Solved that robbery case, huh? That's impressive. I am not familiar with such things but I get the sense there may be some truth to it. I will take your word for it.
If you are looking for clues, you may find this interesting. Here is the key to the chest that the stolen books were in.