Is this book out in paperback?中的out是什么意思,

Is this book out in paperback?中的out是什么意思, 英语语法问题we are sold out of this book能不能写成this book is sold out This kind of book is very popular.It （sell） out in an hour适当 sold The book is sold out in this bookstore,so I__________ o I can find out about the weather in this book. when ( ) this book （ ） A.IS;come out B.did;come out C was;co paperback book in out是什么意思 in-tape-out 是什么意思? 1.May I take this book out? 英语翻译the price of a paperback book in a bookstore is $17.95.i read a book out loud 是什么意思?