 , print editions were generally though some mass market versions have rendered in more; total series length in first paperback edition was about (24 titles).Digital editions ranged in size from less than a megabyte (some e‑book releases) to over a gigabyte (some e‑audiobook releases); the totals run from a low of about 10 MB (for titles, in EPUB format) to a high of about 11 GB (for 13 unabridged titles, in MP3 format).Durations of audio versions spread from about 6 hours for the abridged editions to anywhere between for the unabridged editions; the total length of the unabridged edition was about 168 hours, divided among 13 titles.