“Are you sure about this?” Willa whispered to Isla.
“That’s what the mice are telling me. The second and third steps leading down here are slimy. If you want them to slip on the stairs, that is where you need to put the water. That way it is extra slippery,” Isla explained to her sister. “The mice say those steps are like ice when they get wet, and I have to believe they know what they are talking about.”
“Yeah, so do I,” Willa agreed. “They have been right about everything so far. Let me see what I can do.”
Willa opened a bottle of water and went to the door. She poured it out along the bottom of the door, smiling as it ran under the door and onto the floor at the foot of the stairs. Willa stood on her tiptoes to peek out and look at the stairs before she stepped back. She closed her e
