The Magician's House(1999)

The Magician's House is a children's fantasy series following three cousins—William, Mary, and Alice—who uncover a secret chamber in their uncle's sprawling estate. There they encounter Stephen Tyler, a sixteenth-century sorcerer stranded in the present day. Together, the young protagonists must shield their valley from Matthew Morden, Stephen's treacherous former apprentice, whose sinister plans threaten both the magical realm and the natural world. Blending time-travel adventure with environmental themes, the series weaves mystery and wonder as the cousins learn that protecting ancient magic requires courage, cleverness, and teamwork. Each discovery within Golden House deepens their understanding of a hidden world that exists alongside their own.