In the cover design by Margaret Armstrong the books and authors are represented by the following symbolic flowers: Bible—grapes; Psalms—wheat; Dickens—English holly; Thackeray—English rose; George Eliot—ivy; Keats—bleeding-heart; Wordsworth—daffodil; Browning—pomegranate; Izaak Walton—strawberry; Johnson—oak; Stevenson—Scottish bluebell.