Fallen Books

I was upstairs and heard a crash.

I came down and discovered some of my ever-precarious piles of books had fallen.

Had I let the piles grow too large?  Had one of the many books I'm in the midst of reading been placed unartfully on the pile?  Had a small earthquake rustled the house?  Had gravity changed?

No, none of those were the reasons that multiple piles fell at once.

 The culprit returned to survey his work...

The Cat Who Walked Through Books