Author
ArgoPrep
5
Filliozat, Isabelle
4
McGraw-Hill Companies
4
Miller, Maria
4
Johnson, Tadelly
3
Kumon Publishing North America
3
Kumon Publishing North America, Inc
3
McGraw-Hill Education
3
Roszak, Donna M.
3
Sylvan Learning, Inc
3
Sylvan learning
3
Adler, David A.
2
DK
2
Liscinsky, Camille
2
McKay, Autumn
2
Onish, Liane
2
Stahl, Amy
2
Test Prep Books
2
Trumbauer, Lisa
2
Boaler, Jo
1
Borac, Cleo
1
Brain Hunter Prep
1
Braun, Hannah
1
Brigher Child, Carson Dellosa Education
1
Bright Minds Publishing
1
Brighter Child Company
1
Brighter Child, Carson Dellosa Eduction
1
Brook, Bonnie
1
Brown, Keri
1
Cardella, Karen
1
DK Publishing, Inc
1
DL Digital Education
1
Dorling Kindersley Ltd
1
Dowds, Ben Ffrancon
1
Evan-Moor
1
Evan-Moor Educational Pub,
1
Evan-Moor Educational Publishers
1
Fisher, Richard W.
1
Gray, Amelia
1
Gregorich, Barbara
1
Hasbro, Inc
1
Heos, Bridget
1
Houghton Mifflin Harcourt Publishing Company
1
Humble Math
1
Klobuchar, Lisa
1
Kumon Pub. North America Ltd
1
Lebovitz, Arielle
1
Levin, Freddie
1
Libro Studio LLC
1
Lock, Deborah
1
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