Stillman & Birn : Epsilon Softcover Sketchbook : 150gsm : Smooth : 8x10in (20x25cm) : Portrait | Jackson's Art Supplies
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Amazon.com: Stillman & Birn Epsilon Series Softcover Sketchbook, 3.5" x 5.5", 150 GSM (Heavyweight), White Paper, Smooth Surface : Office Products
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Vengeful Fortress: A Stillman and Birn Epsilon Sketchbook Review Adventure Part 1 – Writing at Large
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Stillman & Birn Epsilon Series Wirebound Sketchbook, 6" x 8", 150 gsm (Heavyw... 851177003277 | eBay
![Amazon.com: Stillman & Birn Epsilon Series Softcover Sketchbook, 5.5" x 8.5", 150 GSM (Heavyweight), White Paper, Smooth Surface : Office Products Amazon.com: Stillman & Birn Epsilon Series Softcover Sketchbook, 5.5" x 8.5", 150 GSM (Heavyweight), White Paper, Smooth Surface : Office Products](https://m.media-amazon.com/images/I/81GjJARXIgL.jpg)