Books in the Silly Willy Adventures series

When the George family go on holiday to Cape Town, Cautious Craig cannot believe what he has to endure at the hands of his naughty and wilful younger brother, Silly Willy. Willy throws tantrums at the most embarrassing and inappropriate times, causes a commotion on the aeroplane and tries to steal a chameleon from Butterfly World. What is a poor older brother expected to do in these situations?