The book is Dr. Dog by author Babette Cole. It is an off-color book geared to preschool ages (3 - 7 years). This 40 page paperback published by Dragonfly Books; First Edition March 11, 1997, offers humorous sayings that actually do relate to health issues.
The health reference in this quote is that the anal area (your bum) contains germs and if a person is infected with worms that the worm eggs can exist in bowel movements. If the child scratches there, and puts their fingers/thumb in the mouth, the child can transfer the eggs from worms from the anal area to the child's mouth. When swallowed, the eggs turn into intestinal worms. The book's rhyming quote gives an opportunity for parents to teach young children about hygiene and even, perhaps, to break the thumb-sucking habit.
Despite being off-color, the book's language, rhyming, rhythm, catchy phrases, and the character Dr. Dog leaves parents and children in giggles. Dr. Dog protects his family, in particular Baby Gumboyle, through his rhyming but directly Worded medical advice.
Book Details:
Language: English
ISBN-10: 067988548X
ISBN-13: 978-0679885481
Product Dimensions: 8 x 0.2 x 8.3 inches
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