Continuity mistake: In the book 'Cliffhanger' it shows on one of the postcards that Biscuits' surname is 'Baker'. It changes to 'McVitie' in 'Best Friends'.
Continuity mistake: In the book 'Cliffhanger' it shows on one of the postcards that Biscuits' surname is 'Baker'. It changes to 'McVitie' in 'Best Friends'.