A: The official, unabridged Goodbye, Things audiobook runs 5 hours and 24 minutes (give or take 2 minutes for publisher intros). If your file says 3.5 hours, it is abridged or sped up. If it says 8 hours, it includes bonus material that likely isn't official.
You can find the verified version through several official retailers and platforms: goodbye things fumio sasaki audiobook verified
Can be borrowed through the Libby app by OverDrive using a valid library card. A: The official, unabridged Goodbye, Things audiobook runs