The Family and Friends book series is the best and most popular English language teaching resource for children ages 7 to 13, edited by Oxford University Press. This comprehensive course covers all language skills, including Speaking, Writing, Reading, and Listening, and takes students from beginners to intermediate. The Family and Friends course at each level, in addition to the main book, has supplementary books for exercises and homework in the classroom and at home.

At the Starter book of this series, children learn English letters and become familiar with writing some simple words. Teachers at the Kayhan Language School at the Family Starter level teach children some basic, everyday conversations. This level has the Alphabet book, which is suitable for teaching the correct English alphabet. The Student book is the main language teaching book that includes a short video at the end of each lesson. At the end of the book, there are new words for each lesson that children enjoy sticking to. Another book is a workbook, which is for repeating and practicing the main lessons