This Penguin readers edition adapts Unlocking the universe by Stephen and Lucy Hawking and includes adapted excerpts from various works by Hawking and others.

Penguin Readers is an ELT graded reader series. Please note that the eBook edition does NOT include access to the audio edition and digital book. Written for le

"Do we have evidence that aliens have tried to visit Earth? How are reports of unidentified flying objects, or UFOs, explained? Get the facts. The book The Alie

“It is said that fact is sometimes stranger than fiction, and nowhere is that more true than in the case of black holes. Black holes are stranger than anythin

Penguin Readers introduces language learners to bestselling authors and compelling content. Wonder, a Level 3 Reader, is A2 in the CEFR framework. August "Auggi