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.

There are 7 levels of part time reading books:

• Easy starts uses about 200 words.
• Level 1 beginner uses about 300 words.
• Level 2 Elementary uses about 600 words.
• Level 3 Pre-intermediate uses about 1200 words.
• Level 4 Intermediate uses about 1700 words.
• Level 5 Upper-Intermediate uses about 2300 words.
• Level 6 Advanced uses about 3000 words.