Air Conditioning and Refrigeration Engineering. Frank Kreith, Shan K. Thanks for looking at our listing. What can you expect depending on book condition? Used-Good: The book will be clean without any major stains or markings, the spine of the book will be in great shape meaning the book still has a lot of life in it, no pages will be missing, the pages may be slightly folded through previous use but not majorly. Used-Very Good: The book will be clean without any major stains or markings, the spine will be in excellent shape with only minor creasing, no pages will be missing and the cover is likely to be very clean. There may be some creasing through previous use but not much. Used-like N: The book pretty much look like a new book. There will be no stains or markings on the book, the cover is clean and crisp, the book will look unread, the only marks there may be are slight bumping marks to the edges of the book where it may have been on a shelf previously. These book are fine to give as gifts. New: New books are in mint condition, normally sourced directly from publishers. Returning an item should be a hassle free process and it is with us. If you are not happy with your item for any reason within 30 days of purchasing it, just let us know and you may return it. If an item is sent back by a customer, then we cannot be held liable for the item until it reaches us and will not be able to offer any compensation in case of loss.
