"Then there was Paul Whiteland, as different from Jansen as chalk from cheese. Which of them you preferred depended on which type of character you preferred—chalk or cheese. They are both useful in their own way. You can't write on a blackboard with a lump of Cheddar. You can't satisfy your appetite with three sticks of coloured Writing apparatus."
Juggernaut, Lionel Fanthorpe writing as Bron Fane
The Lionel Fanthorpe text library is here.