The Secret Room Downstairs — Ruth Willock

When Mary visits the Swiss town where her grandmother grew up, she's shocked to find that her grandmother's old house is being torn down. Determined to find a secret room her grandmother told her about, Mary discovers a young girl whose father, a famous 16th century artist, tells her "all this is for you."

Buried Treasure

It's cold, damp, deserted, a locked tomb of a house in Switzerland awaiting the wrecker's ball. But to Mary, it's Grandma's home, cozy and warm, with smoke coming from the chimney, wood in the bin, and the magic room her grandmother told her about, That's the room where she meets Angelica Biondi, a mysterious ghost from another century, a ghost who looks just like her…

Who is Angelica and why has she returned to the house she live in such a long time ago? Mary must discover the secret of the room downstairs before her new friend disappears -- and the magic room is destroyed forever!