You might find something here of interest and use to you.

Fear not, the "Dummies" titular assignation is marketing, although they are a fairly easy read.

I have this one and this one ..or one of its revisions.

Other recommendations are this or this if understanding and self-maintainance of your instrument/s is of importance to you as it is to me. I have the latter.

And of course, at least one songbook of your preferred inspirational artist/s. e.g. I own this and wouldn't be without it. Plenty to choose from. i.e. Eagles, or go here and select reference books or songbooks to find your genre and artist at a skill level preference from the dropdown menus.