The Dr Seuss books revolutionised the way American children learnt to read in the 1950s. Books like 'The Cat in the Hat' were designed to help young children enjoy reading simple words and sentences using rhymes, anarchic characters and lively illustrations. Claire Bowes spoke to Christopher Cerf who knew Theodor Geisel, the author of the books.
Photo: Author and illustrator Ted Geisel sits at his drafting table with a copy of his book, 'The Cat in the Hat' in 1957. (Gene Lester/Getty Images)