I Rule Creative Sketchbook - 110 Large Blank Pages 8.5" x 11" This super cute "I rule" ruler pun is perfect for anyone in the mathematics field in their professional life - great for any math teacher, professor, or student! Anyone who loves learning & talking about math will appreciate this smart math pun! Grab this awesome I rule math pun as a gift for anyone in your life who is obsessed with hilarious mathematics themed puns! Great gift idea for a funny math teacher or professor who rules their classroom! Empty sketchbook with framed border for daily creative use - great gift idea for artists this holiday season!