Well, they started as a fun thing to put on my tables at book signings, and soon became a talking point. From the small child in a buggy who pointed and said "Baa" to the lady who bought one to put in her crib scene at Christmas - they certainly get noticed.
But where did they come from...?
They're the unruly characters from But I'm not Sleepy - who'd have thought that counting sheep to try and get to sleep could have led to this? So this morning instead of doing what you'd expect an author to be doing, I've been sourcing some more wool to build up my flock.