[3] Ziefert and Boon have collaborated on a series of "Little Hippo" books, the first of which was published in 1988 by Viking Penguin.
They are intended to help children deal with change, like the addition of a new baby to the family or moving to a new house.
The hippo is drawn distinctively with stylized features, smudged outlines and light-gray coloring.
"[4] Boon later obtained an attorney, Seth Salinger, through the Boston non-profit, "Volunteer Lawyers for the Arts."
"[4] On the 3rd of July, the court ruled that Boon failed to prove her case, and was ordered to pay £635 to Scholastic.