How old is the sloth? How do sloths have sex? How did a sloth save Dublin? The answers to these questions, and more, are found in this wonderfully entertaining celebration of the sloth. Walking readers through the sloth's evolutionary history - from the prehistoric ground sloth to modern pygmy - William Hartston reveals the sloth's fascinating journey from maligned mammal to cause celebre. Playfully peppered with science and filled with factoids, Sloths is a love-letter to the most anachronistic, and just a little bit ridiculous, of animals. 'Riveting... Sloths is as comprehensive a look at the instincts, lifestyle and capacities of this curious creature as you are ever likely to need.' - Daily Express