Addition is novel about being in love with numbers. The main character is Grace Vandenburg - damaged and screwy, but not a victim: she's quick-witted, flirtatious and headstrong. She's not the least bit sentimental but she may be about to lose count of the number of ways she can fall in love. Debut novel from an Australian author. Grace orders her world with numbers. Every morning she brushes her hair 100 times and cleans her teeth with 160 strokes. When she goes to the cafe she sits at the first available table, starting from the top left-hand corner and proceedign clockwise. Then one day all the tables in the cafe are full. As Grace hesitates in the doorway a stranger invites her to sit with him.