This book explains the techniques of "tsukkomi" (a type of comedic response) to improve interpersonal relationships. - Title: The Etiquette of Tsukkomi - Author: Shintaro Morimoto - Publisher: KADOKAWA - Price: 1,760 yen - ISBN: 978-4-04-897893-4 Thank you for viewing. * There are some light brown spots on the surface. The contents are in near-new condition as it has hardly been read.