Fuxi
Fuxi 9x12 Spiral Sketchbook
Best for: Students and daily sketchers practicing with pencil and charcoal

Leda Art Supply
A 3.5 x 5.5 inch pocket sketchbook with 160 blank pages of smooth, cream-toned 81 lb paper, a stitched binding, vegan leather cover and elastic band.
Best for: Sketchers on the go who draw with pencil, pen, ink or charcoal
The Leda Art Supply Pocket Sketchbook is a 3.5 x 5.5 inch stitched book with 160 blank pages of smooth, cream-toned paper. It has a vegan leather cover, an elastic band that keeps the pages together and an accordion pocket in the back.
Leda rates the paper at 81 lb and lists it for pencils, ink, pen, charcoal and light watercolor. The listing says the thick, smooth paper erases well and holds up to heavy use.
Based on the manufacturer's Amazon listing.
The listing says the 3.5 x 5.5 inch size fits in your pocket for sketching on the go.
Leda lists the paper for pencils, ink, pen, charcoal and light watercolor, and says the cream tone accents your colors.
The listing says the thick, smooth paper erases well and holds up to heavy use.
The pages are stitched into the cover.
The band keeps the pages together, and the accordion pocket gives you storage for loose items.
The listing describes a fine vegan leather cover.
Look elsewhere if: you want bigger pages in a hardcover. The Moleskine Art Sketchbook (Medium) is 4.5 x 7 inches with ivory pages.
Leda Art Supply Pocket Sketchbook
Choose it for: The most pages in a pocket size
Moleskine Art Sketch Pad (Pocket)
Choose it for: 48 pages in a soft cover
Pentalic Pocket Sketchbook 3 x 4
Choose it for: An even smaller pocket book
Fuxi
Best for: Students and daily sketchers practicing with pencil and charcoal
Soucolor
Best for: Kids and students who draw every day or need a pad for art homework
Moleskine
Best for: Sketchers who draw in pen or pencil and want a pad that fits a pocket
MOFUNY
Best for: Mixed media artists and art students who work in several wet and dry media