Vera sold out on Amazon Italia in a day?

I’m not sure how long ‘Vera’ was in stock on Amazon Italy, but from what I know, it took ‘Vera’ about two weeks to get to the store.
I’ve noticed the book for the first time this Saturday — being the #3 fastest growing bestseller on Amazon Italia with more than 50.000% growth on the list of the ‘Most Popular Products in Books’ (I Prodotti del Memento in Libri).