The Story of the World audiobook CDs are packaged in sleeves and assembled in a cardboard box along with an information booklet.
How many discs?
Volume 1: 7 CDs
Volume 2: 9 CDs
Volume 3: 9 CDs (Original and 2020 Revised)
Volume 4: 11 CDs (Original and 2021 Revised)
How big are the MP3 files?
Volume 1: 475MB
Volume 2: 582MB
Volume 3 Original: 603MB
Volume 3 Revised (2020): 987MB
Volume 4 Original: 683MB
Volume 4 Revised (2021): 1.2GB