Headway: Self-Growth Challenge - Spend only 15 minutes reading books every day and you will not notice how it will become a habit and as a result you will read a lot of useful books. The collections of this application contain a lot of books for specific purposes, with the ability to read them in full, briefly or listen to them in audio format. Highlight important quotes, add certain words to the dictionary for further study, create special collections for reading some books in the future, and in turn think about every word of the books you read.