Why Is Yawning Contagious?: Everything you ever wanted to know about the human body and some things you'd rather not know
Little, Brown Book Group
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Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us.