I received this during an online English conversation lesson. It's unused, so the contents are new, but please refrain from purchasing if you are concerned about home storage. Color and monochrome Worksheet format. This is an excellent textbook for English learning, corresponding to CEFR Pre-A1 to B1. - Title: Our World Second Edition - Publisher: National Geographic Learning - CEFR Level: Pre-A1 to B1 - Included Materials: Workbook and access to audio content - Edition: Second Edition Thank you for looking.