The pattern calls for a No. 6 Bone hook

If you use the #10 crochet thread then it suggests that you use 4 strands together.

The pattern calls for one main color and 4 accent colors.

Rug Cotton (70 yd skeins)
8 skeins white
3 skeins each: red, blue, yellow, green

Mercerized Crochet thread (175 yd balls)
12 balls white
4 balls each: red, blue, yellow, green