Felix’s sister Maya was afraid to go to the doctor for a vaccine. Fortunately, Felix, assisted by Booboo and his magical doctor’s bag, helped herget over her fears. Lucky Maya. She got a beautiful princess sticker for her collection. Read this story to find out all the secrets of a medical visit and vaccination. There are 8 books in the Felix and Booboo series. Have fun reading all of them. They are available in paperback and Kindle versions. Readers' Favorite 5 Stars.