If there's a problem in school, there's no substitute for the super-sleuthing, world-saving substitute teachers of the S.O.S.! This is the sixth book of this hilarious, highly illustrated early chapter book series.

It's Field Day! Milton Worthy is Room 311B's team captain and ready to lead the second-grade team to victory.

Little does he know, his classroom's pet ferret is hatching yet another sinister scheme to conquer the world. Will Milton be able to save the day before his own dreams of schoolyard victory are squashed?

HarperChapters build confident readers one chapter at a time! With short, fast-paced books, art on every page, and milestone markers at the end of every chapter, they're the perfect next step for fans of I Can Read!

Alan Katz has written more than 40 highly acclaimed children's books, including Take Me Out of the Bathtub and Other Silly Dilly Songs, The Day the Mustache Took Over, OOPS!, Really Stupid Stories for Really Smart Kids, and two Awesome Achievers titles. Alan has received many state awards for children's literature, and he frequently visits schools across the country.

Alan is also a six-time Emmy-nominated writer for series including The Rosie O'Donnell Show, Taz-Mania, Pinkalicious and Peterrific, numerous Nickelodeon shows, and more. He hosted a long-running game show on SiriusXM's Kids Place Live channel, and he's also created comic books, trading cards, theme park shows, and hundreds of others special projects for kids and their parents.