GET READY FOR HOURS OF FUN AS YOU SEARCH FOR GIANT SCORPIONS IN PREHISTORIC SWAMPS, SPOT SPINY STEGOSAURS ON A JURASSIC PLAIN AND FIND WOOLLY MAMMOTHS STAMPEDING THROUGH THE SNOW! MORE THAN JUST A CHALLENGING PUZZLE BOOK YOU'LL ALSO FIND A FASCINATING LOOK AT LIFE ON EARTH MILLIONS OF YEARS AGO.