A well-organized language course provides opportunities for learning through communicative activities involving listening, speaking, reading and writing, deliberate study, and fluency development. The fluency development part of a course should take about one-quarter of the course time, and there should be fluency development activities for each of the four skills of listening, speaking, reading, and writing.
This series of books focuses on fluency in reading. Fluency involves making the best use of what you already know. That comes from working with familiar vocabulary and grammar, and from practicing using them in a comfortable way without having to struggle.

Seven Requirements of Fluency Development:
1. Familiar Material

Material for fluency development must be known and familiar. It should not involve unfamiliar language items or content too far removed from what learners already know. This is because to become fluent, learners need to focus on using material they already know well, not on learning new vocabulary or grammar. This is why the texts in these books are grouped into topic areas so that learners can read several texts about very similar information. Their familiarity with the topic will help them increase their reading speed.
2. Quantity of Practice

Another key requirement of a fluency development course is quantity of practice. Fluency develops by doing plenty of practice with easy material. That is why each book in this series contains a lot of reading texts. When learners have finished working through one book in the series, it is a good idea if they go back over the texts they have already read, trying to read them faster than they did the first time.
3. Controlled Vocabulary

Learners do not get fluent in reading by struggling through difficult texts with lots of unknown words. The books in this series are carefully written within a controlled vocabulary so that there is a minimum of unknown words. Words that might be unfamiliar to some learners are dealt with before the reading texts.
4. Limited Headwords

Book 1 is written within a vocabulary of 800 words, Book 2 within 1,100 words, Book 3 within 1,500 words, and Book 4 within 2,000 words.
5. Pressure to Go Faster

A fluency development course will work well if there is some pressure to go faster when using the language. This series of books uses timed readings. When the learners read, they measure how long it takes them to do the reading, and they keep a record of their reading speed. Their aim is to increase their speed until it gets close to 250 words per minute.
6. A Focus on Comprehension

Fluency in reading not only involves speed of word recognition, but also involves comprehension. This is why the texts in these books are followed by questions. There is no value in reading faster if there is a big drop in comprehension.
7. Graphs to Chart Progress

At the back of each book there is a graph where learners should enter their reading speed for each text and their comprehension score. The learners’ goal should be to make their reading speed graph keep going up.