Penandinkdrawingasimpleguidemobidownloadbook Better
Take a photograph of a tree. Do not draw the tree. Draw the sky around the leaves. Pen and ink thrives on negative space. This is the single biggest difference between a novice and an expert.
Art instructors praise the book because it teaches seeing, not just copying:
To make the book “download better” (from your keyword): penandinkdrawingasimpleguidemobidownloadbook better
Many art books use tiny captions. With MOBI, you increase the font size. If you draw at night, you use the dark mode. The physical book requires a lamp.
If you're looking for a downloadable book or guide: Take a photograph of a tree
The book you likely mean is:
Pen and Ink Drawing: A Simple Guide by Alphonso Dunn
Pure line drawing is one thing. The best modern guides combine traditional line work with brush-and-ink wash (diluted ink for grey tones). Check if the Mobi download covers "tone" as well as "line." If you're looking for a downloadable book or
A 10-step guide to drawing a full still life: A coffee cup, a crumpled napkin, and a pair of glasses. This project alone is worth the download.