TDP 1513: #DoctorWho Halloween Week 4 of 4 Overworked by Hannah Kennedy - a Fifth Doctor and Nyssa adventure

https://www.amazon.co.uk/Villain-Venice-Steampunk-Adventure-Expanded/dp/B0GYVW1ZM3?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=A3P5ROKL5A1OLE When the TARDIS locks on to a signal calling out for a 'doctor', Nyssa and the Doctor are brought to a hospital on Earth in 1974. However, with the help of cleaners Harold and Sophie, they discover that something is very wrong with the patients here, something otherworldly.