Doctor Who: The Crawling Terror (12th Doctor Novel)

Gabby Nichols is putting her son to bed when she hears her daughter cry out. 'Mummy there's a daddy longlegs in my room!' Then the screaming starts... Kevin Alperton is on his way to school when he is attacked by a mosquito. A big one. Then things get dangerous. But it isn't the dead man cocooned inside a huge mass of web that worries the Doctor.