Page 55. " ’I thought chocolates weren’t very good for dogs,’ "

Chocolate is bad for dogs because it contains theobromine, which dogs can not metabolise as well as humans can. It can cause digestive problems and possibly lead to heart failure, particularly if consumed in large enough quantities.

Sources

http://en.wikipedia.org/wiki/Theobromine_poisoning

Why is chocolate bad for dogs http://www.associatedcontent.com/article/32454/why_is_chocolate_bad_for_dogs.html

Page 55. " ’What’s in a name?’ asked Miss Forcible. ‘That which we call a rose by any other name would smell as sweet.’ "

A quote from Shakespeare’s Romeo and Juliet.

Page 56. " ’I know not how to tell thee who I am,’ "

Another quote from Shakespeare’s Romeo and Juliet.

Page 63. " ’We’ll be staying with April’s niece in Royal Tunbridge Wells.’ "

Royal Tunbridge Wells is a famous spa town in Kent.