With carefully adapted text , new illustrations , language practise activities and additional online resources , the Penguin Readers series introduces language learners to bestselling authors and compelling content . Titles include popular classics , exciting contemporary fiction , and thought-provoking non-fiction . Doctor Who- Borrowed Time, a Level 5 Reader, is B1 in the CEFR framework. The text is made up of sentences with up to four clauses, introducing present perfect continuous, past perfect, reported speech and second conditional. It is well supported by illustrations, which appear regularly. Andrew Brown works at a big international bank. He makes lots of money every day, but he never has enough time. Now, he might have found a way to borrow some. But, instead of making his life easier, more time might just give him more problems. Maybe the time-travelling Doctor can help!