coloring page, Halloween Masks: A collection of intricate, decorative Halloween masks to color, ranging from classic horror movie monsters to elegant masquerade styles, coloring page style, illustrated, black and white, no shading, thick lines, clean lines, vector outline, no noise, adult coloring book, The style should be illustrative, suitable for coloring, clear lines, no shading, no grey shading, in black and white, ready for adding color. --ar 1:1