Why Is Yawning Contagious?: Everything you ever wanted to know about the human body and some things you'd rather not know

by Francesca Gould Paperback details (United Kingdom). (see also: eBook (Kindle)) details (Germany). (see also: Kindle Ausgabe) ISBN: 978-0-7499-5158-0 ISBN-10: 0-7499-5158-3 Piatkus · 2007