The first graders of Robin Hill celebrate the 100th day of school in this Level 1 Ready-to-Read story, now in hardcover for the first time! Mrs. Connor plans a party to celebrate the 100th day of school with her students. But on the special day, one student, Hannah, is too sick to go to school! She’s disappointed to miss out on the fun, but could the 101st day have surprises in store? Margaret McNamara, the pseudonym of literary agent Brenda Bowen, is the Christopher Award–winning author of the long-running Robin Hill School series, which celebrated its 20th anniversary in 2024. She is also the author of the Mr. Tiffin’s Classroom series (all illustrated by G. Brian Karas), including How Many Seeds in a Pumpkin? , which was awarded the Oppenheim Toy Portfolio Best Book Gold Award, and The Dinosaur Expert , which received three starred reviews. Among her many other picture books is Vote for Our Future , illustrated by Micah Player, which Kirkus Reviews called “essential” in a starred review. Margaret McNamara lives in New York City and spends as much of the summer as she can in Maine. Mike Gordon illustrates the Robin Hill School series and has an extensive and varied background in illustration and design. He lives with his family in Santa Barbara, California.