4 books in series

Chitty Chitty Bang Bang

Chitty Chitty Bang Bang is a 4-book series with 4 primary works first released in 1964 with contributions by Ian Fleming and Frank Cottrell Boyce.

Chitty Chitty Bang Bang
Chitty Chitty Bang Bang Flies Again
Chitty Chitty Bang Bang Flies Again!
Chitty Chitty Bang Bang and the Race Against Time
Chitty Chitty Bang Bang Over the Moon