For those who want to learn a language quickly, this small book is the perfect solution. It contains 2809 words, and knowing them will make learning English much easier. According to one study, this list covers 90% of the vocabulary used in everyday spoken English. On average, it also accounts for 92% of the words found in general English texts.

The coverage rate is even higher in other contexts:

• 93% of the vocabulary in the Harry Potter books

• 94% of the vocabulary in TOEIC (Test of English for International Communication) exams

• 95% of the words used in popular TV shows (for example, Friends).