A credit can buy much, more than a single 6-ish hour book. Search for "complete" or "compendium" or "collection" to find many, many hours of entertainment avail

A credit can buy much, more than a single 6-ish hour book. Search for "complete" or "compendium" or "collection" to find many, many hours of entertainment available for a single credit. - Collected Stories of Arthur C Clarke, 51 hours! https://www.audible.com/pd/The-Collected-Stories-of-Arthur-C-Clarke-Audiobook/B01JQSAN94 https://www.audible.com/pd/The-Collected-Stories-of-Arthur-C... - eight audio plays from Agatha Christie https://www.audible.com/pd/Poirots-Finest-Cases-Audiobook/B00O4F6Z24 https://www.audible.com/pd/Poirots-Finest-Cases-Audiobook/B0... - 30 classic detective stories https://www.audible.com/pd/Thirty-Great-Detective-Stories-Audiobook/B013HB8OEW https://www.audible.com/pd/Thirty-Great-Detective-Stories-Au... - HP Lovecraft mythos story collection https://www.audible.com/pd/Haggopian-and-Other-Stories-A-Cthulhu-Mythos-Collection-Audiobook/B082FMPC7N https://www.audible.com/pd/Haggopian-and-Other-Stories-A-Cth... Sometimes a single "book" is very substantial: - Anna Karenina narrated by Maggie Gyllenhaal, 36 hours for a single credit: https://www.audible.com/pd/Anna-Karenina-Audiobook/B01FN88BHC https://www.audible.com/pd/Anna-Karenina-Audiobook/B01FN88BH... - 1Q84 by Haruki Murakami https://www.audible.com/pd/1Q84-Audiobook/B005XZM7R6 https://www.audible.com/pd/1Q84-Audiobook/B005XZM7R6 - 25 hours: Voyage of the Beagle by Charles Darwin https://www.audible.com/pd/The-Voyage-of-the-Beagle-Audiobook/B00C7S8TGA https://www.audible.com/pd/The-Voyage-of-the-Beagle-Audioboo... Enjoy!