A la sombra del tequila

Question

Hi all, So, the semester ended last night and I'm already plowing into a book, on the subject of our good (but also evil) friend, Tequila.

So, prior ton the first chapter is a page labeled 'editorial' which seems to be a forward

1- is editorial used that way?

2- what does sombra mean here? Shade or shadow don't seem quite right.

Alguien me puedes explicar in poco?

Gracias

Answer 1

You need to plant more aguave!

(the plant that makes tequila)