The book is on the shelves, and I thank my brothers and sisters for their support.This book has been signed and will be guaranteed to be completed.Focus: The copyright restriction is because Apple mobile phones can't be seen, and Apple and QQ Bookstore have not been able to negotiate the issue of profit sharing, so they can't watch it.Android can be seen, you can also go to the genesis Chinese network to search for this book,,; mobile phone reading,