I have transferred my working sheets to a gorgeous Pink Pig sketchbook which just asked for furtehr development of my chosen colour scheme of blue/violet and yellow/orange.
The little sketch below was done with a wash of watercolour pencils followed by crosses using watercolour markers.
The top sketch is cross hatching using colouring pencils in complementary colour scheme. The sketch at bottom of page was made with oil crayons followed with a wash of Brusho inks.
More oil crayons and Brusho ink wash but this time colouring with wider and larger strokes of crayons.