Weesp: C. J. van Houten en Zoon. First edition. Undated, but circa 1925. 12 page advertising booklet for drinking chocolate, with rhymes to accompany the charming colour illustrations by F. Langerer. 240 x 160 mm (9½ x 6¼ inches). Coenraad Johannes (C. J.) van Houten and son was a famous chocolate factory in The Netherlands.