Авторы
Irma Kurtz National Geographic Kids Matthew Klam Eddy Krygiel H. David Kotz Hussein Kureshi William Kinlaw Matti Kurvinen Hazem Kandil Richard C. Koo Sean C. Keenan Tim Kochis Michael C. Khouw Perry J. Kaufman Noripah Kamso Thomas Kirchner Valeri Karpov Andrew Keyt Lawrence C. Karlson Robert W. Kolb KAV Robert W. Koepp J. J. Kinahan Halil Kiymaz