Books like Stallion by Starlight by Mary Pope Osborne

Jack, his sister Annie, and a friendly mouse named Peanut journey from a tree house into the Amazon rainforest, where they confront giant ants, piranhas, crocodiles, and jaguars.

Merlin sends Jack and Annie on a new adventure to rescue a beautiful unicorn, blending magic and mystery.

On Christmas Eve, siblings Jack and Annie jetfire from their tree house into King Arthur’s Camelot, where a quest to the Otherworld unfolds.

Jack and Annie travel in the magic tree house to a deserted island, where they join a crew of explorers seeking a sea monster and must uncover happiness secrets to help both the crew and their own quest.

Magic Tree House siblings Jack and Annie travel to the Great Plains, where they discover the history, culture, and daily life of the Lakota Indians.

Annie and Jack travel back in time to Pompeii with their magic tree house just before Mount Vesuvius erupts, and they must secure a Roman scroll before ash covers the city.

Jack and Annie use the magic tree house to journey to the Ice Age, where they meet Cro‑Magnons, cave bears, sabertooth tigers and woolly mammoths in a prehistoric adventure.

Jack and Annie travel back to 1889 Paris to deliver Merlin’s message to four mysterious magicians amid the excitement of the World’s Fair.

Jack and Annie find themselves in 1944 Normandy, France, using magic and time travel to parachute behind enemy lines and assist Allied forces during the height of World War II.

Jack and Annie travel to Antarctica in the Magic Tree House series, seeking the secrets of happiness to help a friend—and uncover the mysteries of penguins and the frozen continent.

Jack and Annie travel to 1895 Rattlesnake Flats, where a ghost, rustlers, and a missing cowboy test their time‑travel sleuthing skills to solve Morgan’s latest riddle.

Jack and Annie journey to a Middle Eastern desert guided by Merlin’s rhyme, meeting a Bedouin tribe amid camel rides, oases, ancient texts, and sweeping sandstorms.

When eight‑year‑old Jack and seven‑year‑old Annie discover a magical treehouse in Frog Creek that transports them to the settings of the books inside, they partner with Morgan le Fay to explore time‑travel adventures across history and legend.

121 pages : illustrations ; 22 cm.590L Lexile

Jack and Annie return to New Orleans on their second adventure, where they face real ghosts, discover jazz, and meet young Louis Armstrong while inspiring artists to spread joy.

Jack and Annie time‑travel back to Victorian London where Merlin enlists their magic to inspire Charles Dickens to write "A Christmas Carol," blending adventure, magic, and holiday spirit for young readers.

A lovely lullaby by the author of the Magic Tree House books Out of the night the shimmering Moonhorse appears, and a young girl leaves her father napping on the front porch to join the silver-winged horse on a wondrous adventure among the constellations. They gallop past stars and comets, past the Dipper and the Ram, then lasso the crescent moon and pull it across the clear night sky. At last the sleepy rider returns home safely and the Moonhorse disappears into the dark. The famous author of the Magic Tree House books turns her hand here to a lyrical bedtime picture book text, exquisitely illustrated by S. M. Saelig. Of Saelig's dreamy illustrations, Kirkus Reviews wrote, "In carefully composed airbrushed paintings, this first-time illustrator appealingly combines the astronomy lesson with a sense of adventure and awe, nicely extending Osborne's gracefully phrased text."

Dallas businesswoman Marah Briscoe battles the domineering CEO John Stallion over her family's Texas ranch, only to find her professional rivalry turns into an irresistible affair.

Dark Horses is a novel by Susan Mihalic that examines teenage girls grappling with complex father‑daughter bonds, survival challenges, and the lingering effects of sexual abuse.