Hector Farr

• Berlin : Adult Coloring Book Vol.2
• Paris : Adult Coloring Book Vol.1
• Paris : Adult Coloring Book Vol.2
• Rome : Adult Coloring Book
• Venice : Adult Coloring Book
• Berlin : Adult Coloring Book Vol. 1
• Moscow Coloring Book : Adult Coloring Book Vol. 1
• Moscow Coloring Book : Adult Coloring Book Vol. 2
• Paris : Adult Coloring Book Vol. 3
• Prague : Adult Coloring Book Vol. 1
• Prague : Adult Coloring Book Vol. 2
• San Francisco : Adult Coloring Book Vol. 1