based on the bestselling books by John Grogan "Based on the bestselling books by John Grogan." based on the bestselling books by Rob Scotton "Based on the bestselling books by Rob Scotton." "Based on the bestselling books by Rob Scotton" based on the best selling books by Jackie Urba based on the best selling books by Jackie Urbanovic "Based on the bestselling books by Jackie Urbanovic." based on the bestselling books by Doreen Cronin and Harry Bliss. based on the bestselling childrens book series by Anna Dewdney.