6 has a problem. Everyone knows that 7 is always after him. Word on the street is that 7 ate 9. If that's true, 6's days are numbered. Lucky for him, Private I is on the case. But the facts just don't add up. It's odd. Will Private I put two and two together and solve the problem . . . or is 6 next in line to be subtracted?

One was having a terrible day. She still couldn't count to Nine, and the other numbers wouldn't even let her try. But things took a turn for the worse when Seven ate Nine. He was doing a real number on everyone! Will she be the last One left? Discover if One will find the confidence and self-esteem to use her cleverness and save the numbers.

Just when Private I thinks all is calm-now that he's cracked the case of 7 Ate 9-Question Mark storms into the office. Mark is worried. All the uppercase letters are M-I-S-S-I-N-G! But that's absurd. This is CAPITAL City! Private I is the last letter standing. Will he solve his BIGGEST mystery yet, the UPPER CASE, before it's too late?! Filled with the same humor, wit, and quirkiness of the hit 7 Ate 9: The Untold Story, comes another laugh-out-loud whodunit.

Third-grader Wilson struggles with his times-tables in order to beat the class deadline.

Did you ever notice how almost every price (including this one) ends in 99? Did you ever wonder if 9 gets tired being used so much? Here's a fun rhyming story about what happens when one day 9 is missing and the whole world is thrown into complete chaos!

This is the diary...of a fly. A fly who, when she's not landing on your head or swimming in your soup, is trying to escape her 327 brothers and sisters who are driving her crazy! Even though she's little -- just like her best friends Worm and Spider -- Fly wants to be a superhero. And why not? She walks on walls, sees in all directions at once, and can already fly! Doreen Cronin and Harry Bliss, the team behind the New York Times bestsellers Diary of a Worm and Diary of a Spider, reach hilarious heights with their story of a little fly who's not afraid to dream big. Really big.

Words about sound and noise illustrate the letters of the alphabet.