He took the short way up, through the garage and the laundry room, up the inside stairs and into the kitchen.

Then hurried up the inside stairs to his place in the loft.

He turned as Lily and the Admiral, who had taken the long way down the inside stairs, walked out the front door.

Then, a minute later, this light went on in the back of the apartment, so there must be an inside stairs.

One has an outside stair, the only way to the first floor before an inside stair was built.

The altercation had evidently continued unabated the whole time he was on his way down the inside stairs.

He entered this and found a passage that terminated in a flight of inside stairs.

She remembered she had left the door to the inside stairs ajar.

Then she ran for the inside stairs, heading for the roof.

When I came out at the top of the inside stairs, they were all four going to look up at me.