In the sleepy town of Holsom... something just woke up! Everyone always thought ol' Horatio Holsom was a little crazy. But no one suspected the truth until four kids accidentally discover Horatio's secret underground laboratory—-complete with a 12-foot tall guardian robot!
- Available now
- New eBook additions
- New teen additions
- Most popular
- Try something different
- Deaf Culture and ASL
- Adult New Readers
- See all
- Hot and Trending Listens
- New audiobook additions
- New kids additions
- New teen additions
- Most popular
- Try something different
- Available now
- Quick listens
- Read by a Celeb
- Audiobooks for the Whole Family
- Best for Short Drives
- 2023 Audies Award Nominees
- See all
- Home & Garden
- Most popular
- Crafts
- Lifestyle
- Health & Fitness
- Cooking & Food
- Fashion
- Try something different
- Celebrity
- Tech & Gaming
- Cars & Motorcycles
- Family & Parenting
- Sports
- See all