1 2 3 4 5 6 7 8 9 10 __ 12 What happened to 11? <P>Is it in the magician's hat? Maybe it's in the mailbox or hiding in the jack-o'-lantern? Don't forget to look in the barnyard where the hen awaits the arrival of her new little chicks. Could that be where eleven went? <P>Eve Merriam and Bernie Karlin take young readers on a counting adventure as they demonstrate twelve witty and imaginative ways to get to eleven.