A seemingly ordinary antique bed-knob holds the extraordinary power to transport three adventurous siblings through time and space. When Carey, Charles, and Paul reunite with Miss Price, a polite but secretive student of witchcraft, they convince her to test the limits of her magic once again. Their enchanting travels whisk them away from the quiet English countryside and hurl them directly into the bustling, dangerous streets of the seventeenth century. The past is filled with vivid sights and unexpected encounters, demanding that the children navigate a world far different from their own. During their historical journey, they cross paths with a bewildered sorcerer who accidentally returns with them to the modern era. Blending timelines creates a series of humorous and thrilling complications as the time travelers attempt to manage their bewildered guest. The children must quickly find a way to return the eccentric magician to his rightful century before their magical secret is exposed. This captivating tale combines historical intrigue with playful fantasy, offering a fast-paced narrative driven by youthful curiosity and the unpredictable nature of spellcasting.