You can read my review of this issue NOW over at Comicosity.com: http://www.comicosity.com/review-doctor-who-twelfth-doctor-year-three-7/
Doctor Who: Twelfth Doctor Year Three #7
Writer: Richard Dinnick
Artist: Brian Williamson
Cover C: Andy Walker
FC – 32pp – $3.99 – On sale: September 27, 2017
New companion Bill Potts has joined the Twelfth Doctor on a brand-new adventure, taking them to an island in the Atlantic in the 9th century CE. Caught in the middle of a stand-off between a group of Vikings and Ice Warriors, Bill and the Doctor had to ensure the mighty battling forces united against an even greater threat – a sentient disease-carrying Flood!
But who is responsible for all of this? The Doctor has a hunch, and it can only bring more devastation if he’s right…