iOS devices use iCloud sync to transfer data from apps like Books between devices. If your iCloud is full, you're out of luck. They could just as easily have used their own technology - Airdrop - to do this. But can't be bothered!
iOS devices use iCloud sync to transfer data from apps like Books between devices. If your iCloud is full, you're out of luck. They could just as easily have used their own technology - Airdrop - to do this. But can't be bothered!