Unlocking the Universe takes us on a joourney through space and time. It starts 13.8 billion years ago with the Big Bang, which led to the stars, the planets and our Solar System. Then it explores our Solar System and other solar systems - the ones we know, and others we have yet to find.
Penguin Readers is a series of popular classics, exciting contemporary fiction, and thought-provoking non-fiction, written for learners of English as a foreign language. The series is aligned with the Common European Framework of Reference for languages and includes activities that help develop key skills.
CEFR |
Story |
Headwords |
|
S |
Pre- A1 |
400-600 |
350 |
1 |
A1 |
1,000-1,600 |
550 |
2 |
A1+ |
3,000-5,000 |
700 |
3 |
A2 |
7,000-10,000 |
1,000 |
4 |
A2+ |
11,000-14,000 |
1,200 |
5 |
B1 |
15,000-18,000 |
1,600 |
6 |
B1+ |
18,000-22,000 |
2,000 |
7 |
B2 |
22,000-26,000 |
2,500 |