Félix's sister Joëlle is afraid of vaccine. Félix brings his magical medical suitcase to the doctor office. Boubou, the stethoscope and eight living medical instruments will assist the doctor to make Joëlle physical examination and vaccination.
This books explains each steps of medical annual check up.
The author is a specialist in family medicine. She created the character Félix and Boubou and published four other titles in the collection.
A first edition of this book was published in 2012.