As a writer and artist, I own a ridiculous amount of sketchbooks. In my opinion, here are the best sketchbooks for mixed media.
Best Sketchbooks for Mixed Media (My Favorites) - Perfectly Imperfect™ Blog
My 6 favorite mixed media art journal & sketchbook techniques
Drawing Basics: The Best Sketchbook?
Tour Of The Tower Of London And Its Fascinating History, 45% OFF
Art Alternatives 8.5x11 Mixed-Media Softcover Sketchbook 24 sheets - 90lb
How To Choose The Perfect Sketchbook - the paper kind
Arteza Mixed Media Sketchbooks, Pack of 3, 5.5 x 8.5 Inches, 60-Sheet Drawing Pads with 110lb Paper, Spiral-Bound, Art Supplies for Wet and Dry Media : Arts, Crafts & Sewing
The Best Sketchbooks For Every Medium
220, the BUSINESS of BLOGGING, ideas
Best Sketchbooks for Mixed Media (My Favorites) - Perfectly Imperfect™ Blog
Best mixed media sketchbooks - Gathered