When the Phantom is blamed for the sudden disappearance of mares from local ranches, it is up to thirteen-year-old Sam to defend his innocence and his life.

The Phantom Stallion's new foal is ready to be born, and River Bend Ranch's own Dark Sunshine is the mother. Samantha couldn't be more excited, and she's sure she can handle the new baby while everyone is gone on the annual cattle drive.

After a tsunami washes over her Hawaiian island home, Darby Carter must pitch in to help get her grandfather's ranch back in order and make sure none of the horses drink contaminated water. Darby's friend Cade has even bigger worries. His mother, Dee, hasn't been seen since the storm. With no other leads, Darby and Cade set out in search of Honi, Dee's beloved pony. But even if they can find Honi, will she be able to take them to Dee?

Ever since Darby rescued her wild filly mustang, she's been having a tough time at her grandfather's ranch. And after she accidentally endangers one of his loyal and steady horses, she can't help but wonder if she really belongs on a horse ranch at all. But then a shadowy horse shows up, prowling the grounds at night. Could it be the legendary Shining Stallion of Hawaii? And why is Darby the only one who has seen him? One thing is certain: When the mysterious stallion sets out to challenge the wrong horse, only Darby can stop him—before anyone gets hurt.

Darby doesn't understand how her mother, who grew up on Wild Horse Island, ever could have left. Now that Ellen Carter has come back to the island to visit, Darby hopes her mom won't want to leave again. But Darby's grandfather and mother can't stop fighting, and Ellen wants to take her daughter back to California. When Darby finds a wild mare in the rain forest, she hatches a plan to convince her mom to stay—but will it work? Or will Darby have to leave the new home and wild horses she loves?

Darby Carter loves horses, even though she's never actually ridden one. Darby's grandfather is an expert rider—in fact, he owns a horse ranch in Hawaii. So when he agrees to take her in—along with the beautiful mustang Darby saved on the range in Nevada—she knows she can't refuse, even if she is a little terrified! But Darby's filly arrives in bad shape, and Darby's grandfather wonders if the wild horse will ever trust a human again. Can Darby take the reins and save her horse—or has she lost the mustang forever?

Black Lava and his herd have been driven up to Sky Mountain to keep them away from polluted water. But there's only room for one lead horse on the mountain, and Snowfire, the white stallion, has already claimed it as his own. Sure enough, Darby soon sees Snowfire chase Black Lava onto ranch lands. Her horse charmer sense tells her the Crimson Vale herd needs to return home or desperation will lead Black Lava into more danger. Between finals at school and an upcoming rodeo, everyone is too busy to listen to Darby's fears. Can Darby help Snowfire and Black Lava before their battle turns deadly?

The wildly popular series continues with a new adventure and an all–new cover design! Summer is ending, and Samantha's dad's birthday is right around the corner. When her stepmom picks out a mustang for his present, Sam thinks it's a perfect idea. But will her dad agree? The new horse is gorgeous, but he's also energetic and willful. Only Sam's dad can tame him – if he wants to accept the birthday gift at all.

More adventures in the popular series about Samantha and her mustang, the Phantom Stallion! Ages 10+