Sludger the aardvark tries to make it big as a drummer in the big city.

Hamilton Mattress tells the story of Sludger, an aardvark who is a natural drummer and wants the good life, including having decent trousers (he is OBSESSED with trousers!) Along comes Feldwick C. Hackenbush, a caterpillar who is obsessed with fame and fortune and sees Sludger as a potential target. Together they set off to Beak City where Sludger changes his name to Hamilton Mattress and sets out for fame...—Helen Yates