Book 28 is "Anno Dracula" by Kim Newman.
This sounds like an absolutely marvellous premise... Go and find the back jacket text if you can and have a read.
Edit: finished 7th May.
Heute #ADiscoveryOfWitches zu Ende geschaut, die hat mich so gut unterhalten wie schon lang keine Serie mehr. 
Ich denke, dass ich die zugrundeliegende Buchreihe #AllSouls auch noch lesen werde.
In der Zwischzeit versüße ich mir die Zeit damit, endlich #AnnoDracula von Kim Newman zu lesen.
I need to actually finish #AnnoDracula 1918 and see if Hans appears beyond the scene in the second pic but it's high-larious to me how much the wolf is associated with him in anything and in any way--yet Kim Newman said nah, vampire. XD
In his defense, Ennis also made that connection. With the way Hans is often approached in canon by Kanigher (e.g. "cold skin like death"), it's not *wholly* weird...
Meanwhile the inspiration for Hans, the real Red Baron, is a shapeshifter XD
Dr Richard Hussey
THOPAN 
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