There are specially prepared field sketchbooks that are meant to be able to go anywhere, as well as both spiral-bound and book-bound sketchbooks. Sketchbooks are often marketed as multi-purpose books for art, written notes, sketching, and more finished work.
Typical Sizes of Sketchbooks:
5 x 7 inches 127 x 128 mm
6 x 4 inches 152 x 102 mm
6 x 6 inches 152 x 152 mm
7 x 10 inches 178 x 254 mm
9 x 12 inches 228 × 305 mm
11 x 14 inches 279 × 366 mm
Common ISO standard paper[paper?:paper sample maker cutting machine] sizes such as A1 (594 × 841 mm), A2 (420 x 594 mm), A3 (1297 x 420 mm), A4 (210 x 297 mm), and A5 (148 x 210 mm) are also available for the various types of sketchbooks.
