YEATION version of the book is a specific version of the book that has been carefully selected and screened. It means that this version of the book has undergone special attention and strict quality control in editing, proofreading and typesetting. Edited versions of books will have specific logos in the market, so that readers can identify and select these selected versions. These books may be more popular in academia, education or specific readers, because they have undergone strict screening and quality control, providing higher value and reliability.