The Doctor and Clara, with their friend Rigsy, find themselves in an alien world, on a street hidden in the heart of London. Inside are some of the most frightening beings imaginable, and British English Ashildr!   Pearson English Readers are simplified texts which provide a step-by-step approach to the joys of reading for pleasure.   Well-written stories entertain us, make us think, and keep our interest page after page. Pearson English Readers offer teenage and adult learners...