Catherine Hapka

Carmen Sandiego and crew are off on a thrilling treasure hunt in this original story inspired by the Netflix animated series. When the secrets of a centuries-old treasure map are uncovered, it's up to Carmen to puzzle out the pirate's code and track down a long-lost treasure....

Set in Pennsylvania, the fifth book in the American Horse Tale series follows the story of a young girl who moves to a small rural town and begins a friendship with the horse next door. Nat is a city girl through and through. She loves playing in open fire hydrants, laughing with her friends...

The Pony Scouts' last visit to Jill's farm was one they'll never forget—that was the night Surprise, the baby foal, was born! Annie can't wait to see her again. But when Annie accidentally loses her balance during her riding lesson, she has to decide: can she pick herself up and try again, or...

No one loves horses more than Meg. She has pony books, pony toys, and even a pony rug! But Meg lives in the big city and has never been around real ponies before. Then her family moves to the country, and on her first day of school, Meg makes a new friend—a friend who lives on a horse farm!...

When Meg’s parents go away for the weekend, letting Meg stay with fellow Pony Scout Jill, the Scouts are in for an extra-special sleepover! Meg, Jill, and their friend Annie get to tend Jill’s ponies day and night. But when one of the Scouts forgets to latch a pony’s stall, things start to...

The Pony Scouts are becoming better at riding with every lesson. But just when they think they've seen it all, a new horse arrives on Jill's farm—one who hasn't been ridden before! Taffy is a beautiful palomino pony that needs Jill's help. With a little patience and a lot of love, Jill and the...

The Pony Scouts can hardly wait—Jill and Apples are going to compete at the horse show! But when Jill catches a glimpse of the competition, she starts to get nervous. How will she and Apples measure up? Features read-to-me audio, perfect for sharing...

The Pony Scouts have come a long way with their riding lessons. Meg, Jill, and Annie can steer their ponies. They even know how to trot! So what's the harm in taking a little trail ride by themselves? The Pony Scouts will soon find out that even though they know a lot, there's still much for...

When Santa's best friend, Peppermint Bark, gets left in a chimney on Christmas Day, it's up to Chris, Holly, and Ivy to return the pup to the North Pole before it's too late....

The inspiration for a hit Disney film and named one of “13 Detective Book Series You Obsessed Over as a Kid” by BuzzFeed, the masterful Great Mouse Detective is back and ready to investigate a library haunting....

With a riding lesson and a sleepover all planned out, the Pony Scouts couldn't be any happier . . . until they discover a big surprise!...