Jack the yak asks all his friends to hop on his back for a ride to the fair. But everybody is just too busy! The ferrets are eating, the crabs are building, the pigs are making hay, the monkeys are scratching and the seals are snoozing. Then, suddenly, they're all ready to go but will there be room for everyone on Jack's back? Let's see: there are 10 birds, 9 caterpillars, 8 seals, 7 monkeys, 6 snails, 5 pigs, 4 foxes, 3 crabs and 2 ferrets. Race through this superb counting book to find out whether Jack and friends make it to the fair and back!