Gloria Skurzynski/ Alane Ferguson
(12)
Sophia Day/ Megan Johnson/ Stephanie Strouse (ILT)
(10)
National Geographic Kids (COR)
(6)
Inc. Dorling Kindersley (COR)
(5)
National Geographic Society (U. S.)
(5)
Sophia Day/ Kayla Pearson/ Timmy Zowada (ILT)
(5)
Sophia Day/ Megan Johnson
(5)
Paulette Bourgeois/ Brenda Clark (COR)
(4)