Yes, it is an ideal book to reinforce what they know more or less and to start again with practical English. It has 160 video lessons, word rules exercises, and then a full grammar set, A1 A2, B1 B2 words for speaking, reading, speaking English, speaking structures, sentence-making techniques, C1 C2 words, listening work, English video lessons. You can continue with Erkan Önler's books. These books cover beginner, intermediate and advanced levels. The name of this set is the English speaking book set. It includes 12 books. We wish you a good day and good work.