More from this Author

Clever Counting

by Glenda Lappan, James T. Fey, William M. Fitzgerald, Susan N. Friel, Elizabeth D. Phillips (Editor), Cathy Anderson (Editor), Stacey Miceli (Editor), Mali Apple (Editor), Roberta Spiekerman (Editor)

Data Around Us

by Glenda Lappan, Margaret Copeland (Illustrator), Ray Godfrey (Illustrator), James T. Fey, William M. Fitzgerald, Susan N. Friel, Elizabeth D. Phillips, Cathy Anderson (Editor), Stacey Miceli (Editor), Roberta Spiekerman (Editor), Pauline Phung (Illustrator)