Schaan, Colleen. Copic coloring guide. Level 2, Nature / Colleen Scaan and Marianne Walker. - Berne, Ind. : Annie's, c2013. - 63 p. : col. ill. + 1 CD-ROM ISBN: 9781596354098 Subjects--Topical Terms: Dry marker drawing--Technique.Nature in art. LC Class. No.: NC878 / S322C