Jon Scieszka is best known for his bestselling picture books, including The True Story of the Three Little Pigs! and The Stinky Cheese Man. He is also the founder of guysread.com and a champion force behind guyslisten.com, and was the first National Ambassador of Young People's Literature. He lives in Brooklyn.

Steven Weinberg writes and illustrates kids' books about dinosaurs, roller coasters, beards, and chainsaws. He lives in the Catskills in New York.

★“A must-have . . . A winning mix of fun and fact—readers will be eager for the next mission.”
—Kirkus Reviews, starred review

★“The vital environmental message and the vibrantly imagined, quirky characters will garner hefty enthusiasm for future installments.”
–Publisher’s Weekly, starred review

“This first in a new sci-fi series checks key boxes: it is funny, full of nonstop action, and jammed with plenty of science factoids.”
—School Library Journal