Roald Dahl’s, Matilda has sold 17 million copies worldwide since it was published in 1988 and has recently become his most popular title. It is a traditional favourite novel for many children and is now available on the front of a birthday card for 7-year-olds. Matilda doing what she loves most, reading a book and positioned on the cover of a purple horizontal striped birthday card. She is standing on a stack of other books next to the writing: Yay! 7 Today”. The inside message of the card read “Sending you a special wish on your birthday”.