Kelly Milner Halls has 4 audiobooks on Listento.it, narrated by 3 narrators. The most-rated is National Geographic Kids Chapters: Tiger in Trouble!.

What happens to the bodies of animals and humans after death? Nature's army of death eaters steps in to take care of cleanup. Without these masters of decomposition, our planet would be covered in rotting bodies. This high-interest science text dives into the science behind how bodies decompose.
©2018 Kelly Milner Halls (P)2020 Lerner Digital ™

In Courageous Canine, you'll listen to three true stories of amazing animal heroes. First meet Lilly, a playful pit bull who bravely pulled her owner from the path of a speeding train; two pods of dolphins that saved swimmers from the most powerful predator on the planet; and two gorillas that proved just how alike apes and humans really are. Follow along on their incredible adventures as these awesome animals save the day!
©2013 National Geographic Society (P)2015 Recorded Books

Imagine...you're in the woods after dark. Eerie green lights appear in the distance. Then there's a sudden flash and everything is dark again. You decide to take a closer look. You come upon a saucer-shaped craft hovering silently just above the ground. You reach out to touch it, but the object suddenly shoots up into the sky. Have you just seen a UFO? Some people say they have had experiences like this. Are they telling the truth? To find out, Kelly Milner Halls investigated stories of eyewitnesses from around the world. She explored UFO sightings, landings, crashes, aliens, and even a few hoaxes. She also interviewed several of the world's UFO experts. Examine her findings and decide for yourself whether visitors from other worlds are real. (Age Level: 10 - 18)
©2012 Kelly Halls (P)2012 Kelly Halls

Follow the journey of Nitro, a tiger kept in captivity in Kansas. His story starts when the county sheriff visits a Kansas property and decides to confiscate all big cats from their owner. Lions are sent to a Detroit zoo and Nitro and his friend, Apache, to the Carolina tiger rescue. As Nitro adjusts to his new home, things go terribly wrong.
©2012 National Geographic Society (P)2015 Recorded Books