Book Description: Hero's a chapter book of contemporary fables about a rambunctious group of fourth graders and their amazing teacherâ€”the globe-trotting, Mayan-ceremonial-robe-wearing Mr. Jupiterâ€”that is sure to delight students and teachers alike. There's Calvin Tallywong, who wants to go back to kindergarten. But when he actually gets the chance, he's forced to do the squirrel dance and wear a school bus name tag. The moral of his story? Be careful what you wish for. Then there's Amisha Spelwadi, who can spell wildebeest, no problem. When Mr. Jupiter asks the class to spell cat, all Amisha can come up with is kat. The moral: Don't count your chickens before they hatch. Kids will laugh out loud as they learn tried-and-true lessons in this funny, fast-paced book.