The Mummy with No Name is the 26th book in the series.
Geronimo heads to New Mouse City with his nephew and his nephew's friend to help Professor Sandsnout of the Egyptian Mouseum. They must find the missing piece of papyrus that will lead them to a hidden treasure.
Halloween and Egypt and mummies...oh, my! I admit it, I am a 'fraidy mouse. Halloween scares me out of my fur! But this Halloween, I was heading off on an adventure in one of my very favorite places: Egypt. I couldn't wait to see the sights and soak up some sun far away from New Mouse City. What I didn't realize was that Halloween is popular in Egypt, too — with the mummies, that is! Oh, what's a 'fraidy mouse to do?