Yeti on

Can it be? Was it? Could it? Is there? The mind reels at the conjectures in In Search of Prehistoric Survivors by Karl Shuker (Blandford, £18.99, ISBN 0 7137 3469 2), as well as being depressed by the bad luck of explorers in trying to photograph supposedly extinct creatures. The old favourites are here, such as Nessie and the Yeti, but these beasts, phenomenally clever at cancealment are legion, Shuker insists. Are they?