The page you are looking for is no longer here, or never existed in the first place, bummer.
Grumpy Cat Goes to School Mini Coloring Book (Dover)
Grumpy Cat Puzzles, Games & More - Paperback
Unhappy Birthday Grumpy Cat! Step into Reading
A Is for Awful: A Grumpy Cat ABC Book (Grumpy Cat) (Little Golden Book)
Grumpy Cat "Little Birdie" Mylar Balloon 3 Pack