by Janet A. Meyer, Anna Shults
by Roger Priddy
by Liliane Arnet, Rich Marino, Staff BarCharts Inc.
by Kao Kalia Yang
by Kumon
by Highlights for Children
by Kumon Publishing
by David R. Veerman, James C. Galvin, James C. Wilhoit, Daryl J. Lucas, Rick Osborne
by Janet S. Fox, Steve Mark
by Kelly Grovier
by Theresa R. Fitzgerald
by Michael Baker
by School Zone Publishing Company Staff
by Flash Kids Editors