A wonderful collection of sketchbooks and drawing supplies for illustrators.
Siam Square Soi 10, 081-720-3352. Open Tue-Sun noon-7pm. BTS Siam

Siam Marketing

Specializes in all kinds of stationery, including hard-to-find Japanese and European papers and pens.
3/F, CentralWorld, Rama 1 Rd., 02-255-6198. Open daily 10am-10pm. BTS Siam/Chit Lom

Everyday by Karmakamet

Simply-designed, minimal everyday stationery items and home fragrances.
1/F, Yada Building, Silom Rd., 02-237-1148. Open daily 10am-9pm. BTS Sala Daeng

Another Story

A multi-label store that gathers everything, from scrapbook-making and craft supplies to cute pens and notebooks.
4/F, The EmQuartier, Helix Bldg., Sukhumvit Rd., 02-003-6138. Open daily 10am-10pm. BTS Phrom Phong