Something strange is happening to the sixth grade—and it’s up to student scientist Wilmer Dooley to crack the case in this fast-paced novel full of humor and mystery.

If there’s one important thing Wilmer Dooley’s dad always says, it’s this: “Where are my car keys?”

Okay, maybe not that. He also says: “Observe!”

Wilmer has always known that the greatest science comes from the keenest observations. So when he observes his classmates looking a little green…and orange...and chartreuse-fuchsia polka-dotted...he knows that it’s up to him to find the cause of this mysterious illness—and the cure.

But with his arch nemesis, Claudius Dill, hot on his heels; the eagle-eyed biology teacher, Mrs. Padgett, determined to thwart his plans; and a host of fluorescent classmates bouncing off the walls at increasingly dangerous speeds, can Wilmer prove he has what it takes to save the sixth grade from a colorful demise before it’s too late?

Fowler DeWitt has been called “The World’s Greatest Living Author” by three of his aunts. His worldwide fame spread early when, as a child, he discovered the rare radioactive mineral now known as Fowlerite. Although his accomplishments are too many to mention in a single paragraph, DeWitt also owns the world’s largest collection of mustaches. He currently lives by himself but refuses to divulge where due to his crippling phobia of hats. You can learn more about DeWitt on his Facebook page.

Biographer’s note: Some claim Fowler DeWitt is the same person as children’s author Allan Woodrow, since they have never been spotted in the same room together. But if they were the same person they’d always be in the same room together. As such, these claims cannot be substantiated. You can make your own conclusions by visiting Woodrow and DeWitt’s shared website: AllanWoodrow.com.

Rodolfo Montalvo started drawing so early in life that he doesn’t even remember when he first started doing it. No matter where he was or what he did growing up, drawing was always a part of him. Today, he feels very fortunate to be able to work as an illustrator and hopes to keep drawing and writing into old age alongside his wife, René, who is also an artist. Montalvo lives in Long Beach, California, and you can visit him online at RodolfoMontalvo.com.