a children's book
... that Donald Trump "accidentally" contributed to a children's book?
... that <a href="./Donald_Trump" id="mwBAc" rel="mw:WikiLink" title="Donald Trump">Donald Trump</a> "accidentally" contributed to <b id="mwBAg"><a href="./Whose_Boat_Is_This_Boat%3F" id="mwBAk" rel="mw:WikiLink" title="Whose Boat Is This Boat?">a children's book</a></b>?<!--Special occasion hook for November 4-->