Fix author books and editions

[Álvaro]

Hi, I want to request an update for Nicolás Artusi

First Manual del Café, this book has an edition that is also duplicated as a different book:
- Mexican edition
- Mexican edition separated

Also Cuatro comidas: Breve Historia Universal del desayuno, el almuerzo, la merienda y la cena should be combined with Cuatro Comidas

Thank you.

[Arenda]

Looks like both were combined by someone.