The ultimate joke and come back book

22

Wilfred had just learned his ABCs and was very scared of reciting them in front of his class. He stood in front of the class trembling and began.
"A B C D E F G H I J k L M N O Q R S T U V W X Y Z."
His teacher said, "Very good, Wilfred. But you forgot the P. Where's the P?
He replied, "It's running down my leg."