One of the Third Grade Thonkers in Hardcover format by Phyllis Reynolds Naylor. Published by Yearling in 1991. Available in Used - Very Good condition.
"Phyllis Reynolds Naylor (born January 4, 1933) is an American writer best known for children's and young adult fiction. Naylor is best known for her children's-novel quartet Shiloh (a 1992 Newbery Medal winner) and for her "Alice" book series, one of the most frequently challenged books of the last decade."--From Wikipedia