Penguin Readers is an ELT graded reading series, designed for teenagers and young adults learning English as a foreign language.

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.

How High the Moon, a Level 4 Reader, is A2+ in the CEFR framework. The text is made up of sentences with up to three clauses, introducing more complex uses of present perfect simple, passives, phrasal verbs and simple relative clauses. It is well supported by illustrations, which appear regularly.

Ella lives in a small, Southern town in the 1940s. In the USA at this time, black people are treated badly by white people. Ella's mother lives in Boston, but Ella does not know who her father is. When Ella visits her mother, she learns more about herself and the world.