The Mystery of the Missing Heiress — Kathryn Kenny

The commotion inside the house became bedlam .... a combination of falling furniture, cries of "Where are the lights?" Bobby's shrieks, doors slamming, and rushing feet.

"Where are you, Trixie?" her father's voice called.

"Trixie!" Brian echoed.

"The lights are all out, all over the house. What is happening?"

"He must have cut the wires...."