Mortal EnginesMortal Engnes – Chapters 26 and 27 Hester, Tom and Anna arrive at Shan Guo. They tell the people about MEDUSA. They warn them about London’s attack. Valentine has also arrived. Doctor Arkengarth explains that Hester’s mother found MEDUSA, but Valentine killed her for it. Share this:TwitterFacebookEmailPrintLike this:Like Loading...