Within 24 hours - the goods are in our warehouse and will be sent within 24 hours (excluding holidays).

from ... to ... days - the book is not in our warehouse and it will be necessary to bring it from the publishing house. The order for this item will be delivered (usually) within the specified time.

Announcement - the book is only in the publishing plans. The price is indicative and may change

Out of stock - the book is out of stock or the book is available at the publishing house, but for various reasons the bookstore is unable to import it.

Waiting for a reprint - the publishing house is out of print, but a reprint is planned in the near future