Adult Coloring Books - Set of 2

Sit back and relax and recoil with these two unique adult coloring books. Find your inner piece with “Zig Zag Zen: A Zenteresting Coloring Book” by Valerie Carr. Sink your teeth into a horror fanatics dream with “The Horror Coloring Book”, by Juan & Santiago Calle. Both books are NWT and unused. Questions? Feel free and leave them in the comments.