bookworm definition greeting card in typewriter font with envelope and rose sticker. What is a bookworm? A bookworm is someone who has a strong affection for books, is a lover of words, and a daydreamer. This is the perfect card to send to someone you know who just can't get enough of books! Blank inside for your own personalized message. The words are printed in typewriter font on your choice of Kraft BROWN, WHITE, or IVORY cardstock. The kraft brown cardstock is not a flat brown, but has fiber mixed in. Size is 4" x 5.5". Corresponding envelopes are included. You will also receive a free Alison Rose Vintage sticker. Just peel the back off and seal your card with a red rose!