Since the 1960's Peter has contributed drawings, artwork and cover designs to a wide variety of EAB's and other Esperanto publications, and generations of Esperanto students will be familiar with his work. Below is just a sample, from the "Jen Nia Mondo" course (1975), "La Graveco de la fideliĝo" book, VHS and DVD (1987), the Elementary,..! Esperanto course" (2003), cover-designs for the recently-published "Mini" series of pocket books, and logos for the "Springboard to Languages" programme raising language awareness in primary schools.