By popular demand this is a) now open to booksellers, book bloggers and agents too and b) has a Google doc to collect signatures so please leave your name and the capacity in which you’re signing here:
docs.google.com/forms/d/e/1F...
For those of you who are aware of the TillyLovesBooks situation, I’ve written an open letter to Waterstones in support of her from authors. If anyone would like to sign it, please let me know by tomorrow morning.