The Donald has trumped Rosie O'Donnell in the battle of the books.
His new book, "Think Big and Kick Ass," hit 49 on Amazon's best-seller list today.
Rosie's tell-all "Celebrity Detox" came in at 84!
"Extra" found him gloating at a Border's Books, where he quipped, "My book's only out one day. It just came out, and we're killing her! And I'm happy about that."
Trump also sounded off on the Ellen DeGeneres dog controversy, telling "Extra," "I would buy that dog back!"