It's been awhile since you peaked inside my sketchbook. What's been going on in there?
In this first picture, I was trying out pencil crayons on different paper. What a difference the smoother paper makes!
And in this next one, I was trying different rulers to use with my Ames Lettering Guide. The Guide is used by draftsmen to draw lines for their lettering.
The last one for today is a watercolor sketch from a vintage book: