The Cat In The Hat Is A Classic Childrens Book Written By Dr. Seuss Featuring A Mischevious Cat Who Wears A Red And White Striped Hat, Bow Tie And Carries An Umbrella. The Very First Cat In The Hat Book Was Written In 1957 And It Still Remains A Popular Book Character Today. Here At Abfab We Have Both Childrens And Adults Cat In The Hat Fancy Dress Costumes And Also Stock Thing 1 And Thing 2, The Other Characters In The Books. This Is A Fantastic Theme For Any Fancy Dress Party And Is A Brilliant Idea For Pupils And Teachers For Book Week At School.