The Circus of Adventure (Adventure #7) by Enid Blyton

Format : Paperback 

Condition : New but minor bookshelf wear 

Genre : Adventure 

Why did Bill have to bring the babyish Gustavus with them on holiday? Jack knows he'll only be trouble...

But when Gustavus is kidnapped, along with Philip, Dinah and Lucy-Ann, Jack bravely set out to rescue them, leading them to a faraway land and the discovery of a plot to kill the King!