Ricky Ricotta's mighty robot vs. the uranium unicorns from Uranus
Dav Pilkey (Author), Dan Santat (Illustrator)
Evil Uncle Unicorn attempts to dominate earth by using a Ladybot to trick Mighty Robot
Print Book, English, 2014
Revised edition.; 2014 View all formats and editions
Scholastic Inc., New York, NY, 2014
Humorous stories
121 pages : color illustrations ; 20 cm
9780545631235, 9780545630153, 0545631238, 0545630150
1104923245
Originally published in 2005 in a slightly different form by Blue Sky Press