Fourteen-year-old Princess Wilhelmina, known as Willie, disguises herself as a peasant boy, and, along with a brave squire and an earnest page, sets out to try to slay the dragon created to carry out a witch's revenge.

Marietta wants to paint like her father. But Marietta is a girl, and to work and study with her father she must disguise herself in boy's clothing.

Horrified at having witnessed her father's murder and fearing that the killers are agents of Queen Elizabeth I, eleven-year-old Alice Tuckfield hides in the Yorkshire cathedral by disguising herself as one of the choirboys.

In 1722, after arriving with her brother at the family's Jamaican plantation where she is to be married off, sixteen-year-old Nancy Kington escapes with her slave friend, Minerva Sharpe, and together, disguised as boys, they become pirates traveling the world in search of treasure.

In the winter of 1208 while the dispute between the Pope and the Cathars intensifies, thirteen-year-old Lady Elinor, secretely in love with the troubadour Bertran de Miramont and determined to avoid her imminent marriage to an older man, runs away from her family's castle disguised as an apprentice troubadour, unaware of the dangers ahead.

Based on the true story of two pirates, Anne Bonney and Mary Reade, who dressed as men. When their ship was captured by the government, all the pirates were hanged except for Bonney and Reade, who were set free because they were both pregnant.

After the Russians invade Finland, Marko volunteers to be a messenger, delivering his packages on skis in the dark of night, but when he discovers his fellow messenger friend Karl is a girl dressed in disguise who is working as a guerilla to revenge her slaughtered family, the job becomes more dangerous than ever.

Performing in the English town of Stratford-on-Avon in 1576, a young actress (disguised as a boy) and a local lad named Will Shakespeare uncover a murder mystery.

Disguising herself as a boy in order to work aboard an American privateer ship during the Revolutionary War, fourteen-year-old Hannah Pritchard leaves her farming life behind in order to seek revenge on the British for murdering her beloved family.

Orphaned and alone, fifteen-year-old Lexie, determined to not be separated from her beloved horse Cougar, disguises herself as a boy and embarks on a perilous journey down the Pony Express trail to find her brother Callum who is on the run after being falsely accused of murder.

In 1862, two young girls, one a member of an aid society that helps the wounded, and the other who, disguised as a boy, is a soldier in the Union army, find themselves working together at the battle of Antietam.

Sarah Emma Edmonds enlisted because she believed in the Union cause; Melverina Peppercorn joined to stay near her twin brother. Although women were not allowed to enlist as soldiers in the Civil War, many disguised themselves as men and fought anyway.

Set in an ancient world where only boys are allowed to fight, Moralin, a young girl, disguises herself and trains to become a skilled warrior. In an exotic setting where danger looms, Moralin faces the battle - and journey - of her life.

Alison is tired of dressing up as 'nice' things, like princesses or fairies, for Halloween. This year she disguises herself as a fierce, terrible pirate, but when nobody is frightened of her, Alison turns fierce and terrible for real.

A twelve-year-old girl, posing as a boy and abused and neglected by a father who has brought her to California to help him get rich in the aftermath of the gold rush, finds both warmth and uneasiness in a friendship with a Jewish boy who does not suspect she is a girl.

A young princess wants to be a knight more than anything- but of course, that was impossible for a girl. So she dresses as a knight, and does many brave deeds.