This excellent book will be a welcome addition to the library of any student.请问这里的a welcome addition怎样理解?

this book tells you the magical life of the cockroach with excellent writing and 198 photographs.想知道这个：with excellent writing 修饰the cockroach 的还是books的饿,为什么103206 This excellent book will be a welcome addition to the library of any student.请问这里的a welcome addition怎样理解? excellent excellent excellent I LIKE ANDY LAUmy favourite book my favourite book's name is i grew up as this.the author is Andy lau,who is a singer and also a actor in Hongkong.now he was voted to be the excellent youth of the world.this book is about experience of himself.Andy 42.-This book is really excellent.I enjoy it very much.- _____B__A.I have just finished a novel.B.What is it about?C.I found it in a small bookstore.D.When did you start reading? Whose book is this? what about this book? This is a book this book 复数 whose is this book? This book belongs to This book is yours Lily,is this book()? this is ( ) book. this book（ ）new This is s book.(a book提问)