The simplest books in our popular series "Orthodox Coloring Books" is the subseries "My First Coloring Books". There are now twelve of them, you can buy them individually or as a set.
#7 Holy Week.
It's an excellent supplement to teach younger children about the Holy Week
Combine it with Paterikon for Kids #33, or "Orthodox Coloring Book #16 - My Book of Holy Week".
9 drawings to color in, now with coloring guides. This is one of the most popular ones, it's in its tenth edition.