About Michael Summ Books by Michael Summ Clown by (author) Johannes Galli & Michael Summ Seven Kellerkinder The Archetypes by (author) Johannes Galli & Michael Summ Human Myth by (author) Johannes Galli & Michael Summ Animals by (author) Johannes Galli & Michael Summ Movement by (author) Johannes Galli & Michael Summ Butterfly by (author) Johannes Galli & Michael Summ